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Finding the Fourth Proportional to 456,001.46, 629,271.02 and 249,260.66

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Solution

The fourth proportional to 456,001.46, 629,271.02 and 249,260.66 is: 343,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,001.46 : 629,271.02 = 249,260.66 : x
  2. Step 2: Convert to fraction form
    456,001.46/629,271.02 = 249,260.66/x
  3. Step 3: Cross multiply
    456,001.46x = 629,271.02 × 249,260.66
  4. Step 4: Simplify right side
    456,001.46x = 156,852,509,764.07
  5. Step 5: Solve for x
    x = 156,852,509,764.07/456,001.46
  6. Step 6: Final answer
    x = 343,973.70

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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.