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Finding the Fourth Proportional to 276,617.10, 414,925.65 and 239,219.40

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Solution

The fourth proportional to 276,617.10, 414,925.65 and 239,219.40 is: 358,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,617.10 : 414,925.65 = 239,219.40 : x
  2. Step 2: Convert to fraction form
    276,617.10/414,925.65 = 239,219.40/x
  3. Step 3: Cross multiply
    276,617.10x = 414,925.65 × 239,219.40
  4. Step 4: Simplify right side
    276,617.10x = 99,258,265,037.61
  5. Step 5: Solve for x
    x = 99,258,265,037.61/276,617.10
  6. Step 6: Final answer
    x = 358,829.10

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1.5x scale

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.