Home / 346,669.71-478,407.36-203,432.14

Finding the Fourth Proportional to 346,669.71, 478,407.36 and 203,432.14

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Solution

The fourth proportional to 346,669.71, 478,407.36 and 203,432.14 is: 280,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,669.71 : 478,407.36 = 203,432.14 : x
  2. Step 2: Convert to fraction form
    346,669.71/478,407.36 = 203,432.14/x
  3. Step 3: Cross multiply
    346,669.71x = 478,407.36 × 203,432.14
  4. Step 4: Simplify right side
    346,669.71x = 97,323,433,036.55
  5. Step 5: Solve for x
    x = 97,323,433,036.55/346,669.71
  6. Step 6: Final answer
    x = 280,738.21

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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.