Home / 474,948.51-655,421.02-257,155.41

Finding the Fourth Proportional to 474,948.51, 655,421.02 and 257,155.41

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Solution

The fourth proportional to 474,948.51, 655,421.02 and 257,155.41 is: 354,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,948.51 : 655,421.02 = 257,155.41 : x
  2. Step 2: Convert to fraction form
    474,948.51/655,421.02 = 257,155.41/x
  3. Step 3: Cross multiply
    474,948.51x = 655,421.02 × 257,155.41
  4. Step 4: Simplify right side
    474,948.51x = 168,545,059,248.92
  5. Step 5: Solve for x
    x = 168,545,059,248.92/474,948.51
  6. Step 6: Final answer
    x = 354,870.17

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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.