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Finding the Fourth Proportional to 462,272.49, 637,746.08 and 280,955.21

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Solution

The fourth proportional to 462,272.49, 637,746.08 and 280,955.21 is: 387,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,272.49 : 637,746.08 = 280,955.21 : x
  2. Step 2: Convert to fraction form
    462,272.49/637,746.08 = 280,955.21/x
  3. Step 3: Cross multiply
    462,272.49x = 637,746.08 × 280,955.21
  4. Step 4: Simplify right side
    462,272.49x = 179,178,079,239.57
  5. Step 5: Solve for x
    x = 179,178,079,239.57/462,272.49
  6. Step 6: Final answer
    x = 387,602.73

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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.