Home / 459,499.34-689,281.97-122,538.23

Finding the Fourth Proportional to 459,499.34, 689,281.97 and 122,538.23

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Solution

The fourth proportional to 459,499.34, 689,281.97 and 122,538.23 is: 183,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,499.34 : 689,281.97 = 122,538.23 : x
  2. Step 2: Convert to fraction form
    459,499.34/689,281.97 = 122,538.23/x
  3. Step 3: Cross multiply
    459,499.34x = 689,281.97 × 122,538.23
  4. Step 4: Simplify right side
    459,499.34x = 84,463,388,515.61
  5. Step 5: Solve for x
    x = 84,463,388,515.61/459,499.34
  6. Step 6: Final answer
    x = 183,816.13

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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.