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Finding the Fourth Proportional to 473,397.66, 710,111.08 and 207,021.06

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Solution

The fourth proportional to 473,397.66, 710,111.08 and 207,021.06 is: 310,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,397.66 : 710,111.08 = 207,021.06 : x
  2. Step 2: Convert to fraction form
    473,397.66/710,111.08 = 207,021.06/x
  3. Step 3: Cross multiply
    473,397.66x = 710,111.08 × 207,021.06
  4. Step 4: Simplify right side
    473,397.66x = 147,007,948,499.35
  5. Step 5: Solve for x
    x = 147,007,948,499.35/473,397.66
  6. Step 6: Final answer
    x = 310,537.97

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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.