Home / 348,981.16-522,438.36-215,432.02

Finding the Fourth Proportional to 348,981.16, 522,438.36 and 215,432.02

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Solution

The fourth proportional to 348,981.16, 522,438.36 and 215,432.02 is: 322,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,981.16 : 522,438.36 = 215,432.02 : x
  2. Step 2: Convert to fraction form
    348,981.16/522,438.36 = 215,432.02/x
  3. Step 3: Cross multiply
    348,981.16x = 522,438.36 × 215,432.02
  4. Step 4: Simplify right side
    348,981.16x = 112,549,951,220.29
  5. Step 5: Solve for x
    x = 112,549,951,220.29/348,981.16
  6. Step 6: Final answer
    x = 322,510.11

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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.