Home / 257,215.08-354,946.86-144,032.04

Finding the Fourth Proportional to 257,215.08, 354,946.86 and 144,032.04

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Solution

The fourth proportional to 257,215.08, 354,946.86 and 144,032.04 is: 198,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,215.08 : 354,946.86 = 144,032.04 : x
  2. Step 2: Convert to fraction form
    257,215.08/354,946.86 = 144,032.04/x
  3. Step 3: Cross multiply
    257,215.08x = 354,946.86 × 144,032.04
  4. Step 4: Simplify right side
    257,215.08x = 51,123,720,337.39
  5. Step 5: Solve for x
    x = 51,123,720,337.39/257,215.08
  6. Step 6: Final answer
    x = 198,758.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.