Home / 340,042.90-469,240.41-189,130.18

Finding the Fourth Proportional to 340,042.90, 469,240.41 and 189,130.18

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Solution

The fourth proportional to 340,042.90, 469,240.41 and 189,130.18 is: 260,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,042.90 : 469,240.41 = 189,130.18 : x
  2. Step 2: Convert to fraction form
    340,042.90/469,240.41 = 189,130.18/x
  3. Step 3: Cross multiply
    340,042.90x = 469,240.41 × 189,130.18
  4. Step 4: Simplify right side
    340,042.90x = 88,747,523,206.57
  5. Step 5: Solve for x
    x = 88,747,523,206.57/340,042.90
  6. Step 6: Final answer
    x = 260,989.20

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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.