Home / 345,095.20-517,467.76-157,946.40

Finding the Fourth Proportional to 345,095.20, 517,467.76 and 157,946.40

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Solution

The fourth proportional to 345,095.20, 517,467.76 and 157,946.40 is: 236,839.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,095.20 : 517,467.76 = 157,946.40 : x
  2. Step 2: Convert to fraction form
    345,095.20/517,467.76 = 157,946.40/x
  3. Step 3: Cross multiply
    345,095.20x = 517,467.76 × 157,946.40
  4. Step 4: Simplify right side
    345,095.20x = 81,732,169,808.06
  5. Step 5: Solve for x
    x = 81,732,169,808.06/345,095.20
  6. Step 6: Final answer
    x = 236,839.49

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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.