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Finding the Fourth Proportional to 473,437.27, 653,333.31 and 258,578.17

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Solution

The fourth proportional to 473,437.27, 653,333.31 and 258,578.17 is: 356,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,437.27 : 653,333.31 = 258,578.17 : x
  2. Step 2: Convert to fraction form
    473,437.27/653,333.31 = 258,578.17/x
  3. Step 3: Cross multiply
    473,437.27x = 653,333.31 × 258,578.17
  4. Step 4: Simplify right side
    473,437.27x = 168,937,731,699.84
  5. Step 5: Solve for x
    x = 168,937,731,699.84/473,437.27
  6. Step 6: Final answer
    x = 356,832.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.