Home / 280,259.43-386,766.24-152,943.24

Finding the Fourth Proportional to 280,259.43, 386,766.24 and 152,943.24

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Solution

The fourth proportional to 280,259.43, 386,766.24 and 152,943.24 is: 211,066.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,259.43 : 386,766.24 = 152,943.24 : x
  2. Step 2: Convert to fraction form
    280,259.43/386,766.24 = 152,943.24/x
  3. Step 3: Cross multiply
    280,259.43x = 386,766.24 × 152,943.24
  4. Step 4: Simplify right side
    280,259.43x = 59,153,281,868.22
  5. Step 5: Solve for x
    x = 59,153,281,868.22/280,259.43
  6. Step 6: Final answer
    x = 211,066.16

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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.