Home / 437,182.72-603,343.05-243,603.28

Finding the Fourth Proportional to 437,182.72, 603,343.05 and 243,603.28

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Solution

The fourth proportional to 437,182.72, 603,343.05 and 243,603.28 is: 336,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,182.72 : 603,343.05 = 243,603.28 : x
  2. Step 2: Convert to fraction form
    437,182.72/603,343.05 = 243,603.28/x
  3. Step 3: Cross multiply
    437,182.72x = 603,343.05 × 243,603.28
  4. Step 4: Simplify right side
    437,182.72x = 146,976,345,945.20
  5. Step 5: Solve for x
    x = 146,976,345,945.20/437,182.72
  6. Step 6: Final answer
    x = 336,189.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.