Home / 459,323.03-688,939.99-139,477.66

Finding the Fourth Proportional to 459,323.03, 688,939.99 and 139,477.66

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Solution

The fourth proportional to 459,323.03, 688,939.99 and 139,477.66 is: 209,202.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,323.03 : 688,939.99 = 139,477.66 : x
  2. Step 2: Convert to fraction form
    459,323.03/688,939.99 = 139,477.66/x
  3. Step 3: Cross multiply
    459,323.03x = 688,939.99 × 139,477.66
  4. Step 4: Simplify right side
    459,323.03x = 96,091,737,685.62
  5. Step 5: Solve for x
    x = 96,091,737,685.62/459,323.03
  6. Step 6: Final answer
    x = 209,202.96

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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.