Home / 358,947.15-495,350.40-197,807.98

Finding the Fourth Proportional to 358,947.15, 495,350.40 and 197,807.98

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Solution

The fourth proportional to 358,947.15, 495,350.40 and 197,807.98 is: 272,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,947.15 : 495,350.40 = 197,807.98 : x
  2. Step 2: Convert to fraction form
    358,947.15/495,350.40 = 197,807.98/x
  3. Step 3: Cross multiply
    358,947.15x = 495,350.40 × 197,807.98
  4. Step 4: Simplify right side
    358,947.15x = 97,984,262,448.38
  5. Step 5: Solve for x
    x = 97,984,262,448.38/358,947.15
  6. Step 6: Final answer
    x = 272,976.85

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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.