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Finding the Fourth Proportional to 425,030.40, 637,249.68 and 188,244.72

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Solution

The fourth proportional to 425,030.40, 637,249.68 and 188,244.72 is: 282,236.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,030.40 : 637,249.68 = 188,244.72 : x
  2. Step 2: Convert to fraction form
    425,030.40/637,249.68 = 188,244.72/x
  3. Step 3: Cross multiply
    425,030.40x = 637,249.68 × 188,244.72
  4. Step 4: Simplify right side
    425,030.40x = 119,958,887,581.69
  5. Step 5: Solve for x
    x = 119,958,887,581.69/425,030.40
  6. Step 6: Final answer
    x = 282,236.02

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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.