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Finding the Fourth Proportional to 403,036.29, 604,532.52 and 122,531.67

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Solution

The fourth proportional to 403,036.29, 604,532.52 and 122,531.67 is: 183,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,036.29 : 604,532.52 = 122,531.67 : x
  2. Step 2: Convert to fraction form
    403,036.29/604,532.52 = 122,531.67/x
  3. Step 3: Cross multiply
    403,036.29x = 604,532.52 × 122,531.67
  4. Step 4: Simplify right side
    403,036.29x = 74,074,379,244.91
  5. Step 5: Solve for x
    x = 74,074,379,244.91/403,036.29
  6. Step 6: Final answer
    x = 183,790.84

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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.