Home / 346,731.86-478,454.28-237,929.48

Finding the Fourth Proportional to 346,731.86, 478,454.28 and 237,929.48

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Solution

The fourth proportional to 346,731.86, 478,454.28 and 237,929.48 is: 328,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,731.86 : 478,454.28 = 237,929.48 : x
  2. Step 2: Convert to fraction form
    346,731.86/478,454.28 = 237,929.48/x
  3. Step 3: Cross multiply
    346,731.86x = 478,454.28 × 237,929.48
  4. Step 4: Simplify right side
    346,731.86x = 113,838,378,044.17
  5. Step 5: Solve for x
    x = 113,838,378,044.17/346,731.86
  6. Step 6: Final answer
    x = 328,318.19

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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.