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Finding the Fourth Proportional to 315,689.03, 473,530.29 and 182,484.53

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Solution

The fourth proportional to 315,689.03, 473,530.29 and 182,484.53 is: 273,724.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,689.03 : 473,530.29 = 182,484.53 : x
  2. Step 2: Convert to fraction form
    315,689.03/473,530.29 = 182,484.53/x
  3. Step 3: Cross multiply
    315,689.03x = 473,530.29 × 182,484.53
  4. Step 4: Simplify right side
    315,689.03x = 86,411,952,411.41
  5. Step 5: Solve for x
    x = 86,411,952,411.41/315,689.03
  6. Step 6: Final answer
    x = 273,724.91

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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.