Home / 348,980.16-522,436.86-215,431.02

Finding the Fourth Proportional to 348,980.16, 522,436.86 and 215,431.02

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Solution

The fourth proportional to 348,980.16, 522,436.86 and 215,431.02 is: 322,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,980.16 : 522,436.86 = 215,431.02 : x
  2. Step 2: Convert to fraction form
    348,980.16/522,436.86 = 215,431.02/x
  3. Step 3: Cross multiply
    348,980.16x = 522,436.86 × 215,431.02
  4. Step 4: Simplify right side
    348,980.16x = 112,549,105,635.40
  5. Step 5: Solve for x
    x = 112,549,105,635.40/348,980.16
  6. Step 6: Final answer
    x = 322,508.61

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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.