Home / 231,617.40-347,426.10-98,464.20

Finding the Fourth Proportional to 231,617.40, 347,426.10 and 98,464.20

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Solution

The fourth proportional to 231,617.40, 347,426.10 and 98,464.20 is: 147,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,617.40 : 347,426.10 = 98,464.20 : x
  2. Step 2: Convert to fraction form
    231,617.40/347,426.10 = 98,464.20/x
  3. Step 3: Cross multiply
    231,617.40x = 347,426.10 × 98,464.20
  4. Step 4: Simplify right side
    231,617.40x = 34,209,032,995.62
  5. Step 5: Solve for x
    x = 34,209,032,995.62/231,617.40
  6. Step 6: Final answer
    x = 147,696.30

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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.