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Finding the Fourth Proportional to 561,007.20, 841,251.60 and 245,301.60

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Solution

The fourth proportional to 561,007.20, 841,251.60 and 245,301.60 is: 367,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,007.20 : 841,251.60 = 245,301.60 : x
  2. Step 2: Convert to fraction form
    561,007.20/841,251.60 = 245,301.60/x
  3. Step 3: Cross multiply
    561,007.20x = 841,251.60 × 245,301.60
  4. Step 4: Simplify right side
    561,007.20x = 206,360,363,482.56
  5. Step 5: Solve for x
    x = 206,360,363,482.56/561,007.20
  6. Step 6: Final answer
    x = 367,839.06

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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.