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Finding the Fourth Proportional to 376,668.74, 565,003.13 and 166,264.76

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Solution

The fourth proportional to 376,668.74, 565,003.13 and 166,264.76 is: 249,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,668.74 : 565,003.13 = 166,264.76 : x
  2. Step 2: Convert to fraction form
    376,668.74/565,003.13 = 166,264.76/x
  3. Step 3: Cross multiply
    376,668.74x = 565,003.13 × 166,264.76
  4. Step 4: Simplify right side
    376,668.74x = 93,940,110,389.88
  5. Step 5: Solve for x
    x = 93,940,110,389.88/376,668.74
  6. Step 6: Final answer
    x = 249,397.15

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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.