Home / 244,639.40-366,959.10-78,444.20

Finding the Fourth Proportional to 244,639.40, 366,959.10 and 78,444.20

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Solution

The fourth proportional to 244,639.40, 366,959.10 and 78,444.20 is: 117,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,639.40 : 366,959.10 = 78,444.20 : x
  2. Step 2: Convert to fraction form
    244,639.40/366,959.10 = 78,444.20/x
  3. Step 3: Cross multiply
    244,639.40x = 366,959.10 × 78,444.20
  4. Step 4: Simplify right side
    244,639.40x = 28,785,813,032.22
  5. Step 5: Solve for x
    x = 28,785,813,032.22/244,639.40
  6. Step 6: Final answer
    x = 117,666.30

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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.