Home / 459,835.32-689,782.14-144,304.68

Finding the Fourth Proportional to 459,835.32, 689,782.14 and 144,304.68

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Solution

The fourth proportional to 459,835.32, 689,782.14 and 144,304.68 is: 216,466.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,835.32 : 689,782.14 = 144,304.68 : x
  2. Step 2: Convert to fraction form
    459,835.32/689,782.14 = 144,304.68/x
  3. Step 3: Cross multiply
    459,835.32x = 689,782.14 × 144,304.68
  4. Step 4: Simplify right side
    459,835.32x = 99,538,790,982.42
  5. Step 5: Solve for x
    x = 99,538,790,982.42/459,835.32
  6. Step 6: Final answer
    x = 216,466.17

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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.