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Finding the Fourth Proportional to 437,339.92, 603,547.47 and 243,747.72

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Solution

The fourth proportional to 437,339.92, 603,547.47 and 243,747.72 is: 336,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,339.92 : 603,547.47 = 243,747.72 : x
  2. Step 2: Convert to fraction form
    437,339.92/603,547.47 = 243,747.72/x
  3. Step 3: Cross multiply
    437,339.92x = 603,547.47 × 243,747.72
  4. Step 4: Simplify right side
    437,339.92x = 147,113,319,724.27
  5. Step 5: Solve for x
    x = 147,113,319,724.27/437,339.92
  6. Step 6: Final answer
    x = 336,382.10

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1.5x scale

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.