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Finding the Fourth Proportional to 473,588.90, 710,153.10 and 157,939.19

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Solution

The fourth proportional to 473,588.90, 710,153.10 and 157,939.19 is: 236,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,588.90 : 710,153.10 = 157,939.19 : x
  2. Step 2: Convert to fraction form
    473,588.90/710,153.10 = 157,939.19/x
  3. Step 3: Cross multiply
    473,588.90x = 710,153.10 × 157,939.19
  4. Step 4: Simplify right side
    473,588.90x = 112,161,005,389.99
  5. Step 5: Solve for x
    x = 112,161,005,389.99/473,588.90
  6. Step 6: Final answer
    x = 236,832.00

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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.