Home / 306,516.30-459,774.45-272,690.70

Finding the Fourth Proportional to 306,516.30, 459,774.45 and 272,690.70

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Solution

The fourth proportional to 306,516.30, 459,774.45 and 272,690.70 is: 409,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,516.30 : 459,774.45 = 272,690.70 : x
  2. Step 2: Convert to fraction form
    306,516.30/459,774.45 = 272,690.70/x
  3. Step 3: Cross multiply
    306,516.30x = 459,774.45 × 272,690.70
  4. Step 4: Simplify right side
    306,516.30x = 125,376,216,612.62
  5. Step 5: Solve for x
    x = 125,376,216,612.62/306,516.30
  6. Step 6: Final answer
    x = 409,036.05

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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.