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Finding the Fourth Proportional to 252,145, 377,962.26 and 163,454.80

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Solution

The fourth proportional to 252,145, 377,962.26 and 163,454.80 is: 245,016.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,145 : 377,962.26 = 163,454.80 : x
  2. Step 2: Convert to fraction form
    252,145/377,962.26 = 163,454.80/x
  3. Step 3: Cross multiply
    252,145x = 377,962.26 × 163,454.80
  4. Step 4: Simplify right side
    252,145x = 61,779,745,615.85
  5. Step 5: Solve for x
    x = 61,779,745,615.85/252,145
  6. Step 6: Final answer
    x = 245,016.74

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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.