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Finding the Fourth Proportional to 452,841.29, 679,220.28 and 153,287.63

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Solution

The fourth proportional to 452,841.29, 679,220.28 and 153,287.63 is: 229,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,841.29 : 679,220.28 = 153,287.63 : x
  2. Step 2: Convert to fraction form
    452,841.29/679,220.28 = 153,287.63/x
  3. Step 3: Cross multiply
    452,841.29x = 679,220.28 × 153,287.63
  4. Step 4: Simplify right side
    452,841.29x = 104,116,063,573.04
  5. Step 5: Solve for x
    x = 104,116,063,573.04/452,841.29
  6. Step 6: Final answer
    x = 229,917.34

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1.5x scale

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.