Home / 459,617.76-689,426.84-144,099.27

Finding the Fourth Proportional to 459,617.76, 689,426.84 and 144,099.27

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Solution

The fourth proportional to 459,617.76, 689,426.84 and 144,099.27 is: 216,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,617.76 : 689,426.84 = 144,099.27 : x
  2. Step 2: Convert to fraction form
    459,617.76/689,426.84 = 144,099.27/x
  3. Step 3: Cross multiply
    459,617.76x = 689,426.84 × 144,099.27
  4. Step 4: Simplify right side
    459,617.76x = 99,345,904,362.41
  5. Step 5: Solve for x
    x = 99,345,904,362.41/459,617.76
  6. Step 6: Final answer
    x = 216,148.97

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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.