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Finding the Fourth Proportional to 456,099.84, 629,417.61 and 249,368.94

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Solution

The fourth proportional to 456,099.84, 629,417.61 and 249,368.94 is: 344,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,099.84 : 629,417.61 = 249,368.94 : x
  2. Step 2: Convert to fraction form
    456,099.84/629,417.61 = 249,368.94/x
  3. Step 3: Cross multiply
    456,099.84x = 629,417.61 × 249,368.94
  4. Step 4: Simplify right side
    456,099.84x = 156,957,202,223.03
  5. Step 5: Solve for x
    x = 156,957,202,223.03/456,099.84
  6. Step 6: Final answer
    x = 344,129.04

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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.