Home / 348,985.16-522,444.34-215,436.04

Finding the Fourth Proportional to 348,985.16, 522,444.34 and 215,436.04

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Solution

The fourth proportional to 348,985.16, 522,444.34 and 215,436.04 is: 322,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,985.16 : 522,444.34 = 215,436.04 : x
  2. Step 2: Convert to fraction form
    348,985.16/522,444.34 = 215,436.04/x
  3. Step 3: Cross multiply
    348,985.16x = 522,444.34 × 215,436.04
  4. Step 4: Simplify right side
    348,985.16x = 112,553,339,730.01
  5. Step 5: Solve for x
    x = 112,553,339,730.01/348,985.16
  6. Step 6: Final answer
    x = 322,516.12

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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.