Home / 335,917.40-503,876.10-99,267.80

Finding the Fourth Proportional to 335,917.40, 503,876.10 and 99,267.80

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Solution

The fourth proportional to 335,917.40, 503,876.10 and 99,267.80 is: 148,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,917.40 : 503,876.10 = 99,267.80 : x
  2. Step 2: Convert to fraction form
    335,917.40/503,876.10 = 99,267.80/x
  3. Step 3: Cross multiply
    335,917.40x = 503,876.10 × 99,267.80
  4. Step 4: Simplify right side
    335,917.40x = 50,018,671,919.58
  5. Step 5: Solve for x
    x = 50,018,671,919.58/335,917.40
  6. Step 6: Final answer
    x = 148,901.70

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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.