Home / 335,931.40-503,897.10-99,281.80

Finding the Fourth Proportional to 335,931.40, 503,897.10 and 99,281.80

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Solution

The fourth proportional to 335,931.40, 503,897.10 and 99,281.80 is: 148,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,931.40 : 503,897.10 = 99,281.80 : x
  2. Step 2: Convert to fraction form
    335,931.40/503,897.10 = 99,281.80/x
  3. Step 3: Cross multiply
    335,931.40x = 503,897.10 × 99,281.80
  4. Step 4: Simplify right side
    335,931.40x = 50,027,811,102.78
  5. Step 5: Solve for x
    x = 50,027,811,102.78/335,931.40
  6. Step 6: Final answer
    x = 148,922.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.