Home / 459,828.70-689,772.21-144,298.06

Finding the Fourth Proportional to 459,828.70, 689,772.21 and 144,298.06

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Solution

The fourth proportional to 459,828.70, 689,772.21 and 144,298.06 is: 216,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,828.70 : 689,772.21 = 144,298.06 : x
  2. Step 2: Convert to fraction form
    459,828.70/689,772.21 = 144,298.06/x
  3. Step 3: Cross multiply
    459,828.70x = 689,772.21 × 144,298.06
  4. Step 4: Simplify right side
    459,828.70x = 99,532,791,744.91
  5. Step 5: Solve for x
    x = 99,532,791,744.91/459,828.70
  6. Step 6: Final answer
    x = 216,456.24

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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.