Home / 459,617.88-689,427.02-144,099.39

Finding the Fourth Proportional to 459,617.88, 689,427.02 and 144,099.39

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Solution

The fourth proportional to 459,617.88, 689,427.02 and 144,099.39 is: 216,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,617.88 : 689,427.02 = 144,099.39 : x
  2. Step 2: Convert to fraction form
    459,617.88/689,427.02 = 144,099.39/x
  3. Step 3: Cross multiply
    459,617.88x = 689,427.02 × 144,099.39
  4. Step 4: Simplify right side
    459,617.88x = 99,346,013,391.77
  5. Step 5: Solve for x
    x = 99,346,013,391.77/459,617.88
  6. Step 6: Final answer
    x = 216,149.15

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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.