Home / 415,972.45-574,041.36-224,985.25

Finding the Fourth Proportional to 415,972.45, 574,041.36 and 224,985.25

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Solution

The fourth proportional to 415,972.45, 574,041.36 and 224,985.25 is: 310,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,972.45 : 574,041.36 = 224,985.25 : x
  2. Step 2: Convert to fraction form
    415,972.45/574,041.36 = 224,985.25/x
  3. Step 3: Cross multiply
    415,972.45x = 574,041.36 × 224,985.25
  4. Step 4: Simplify right side
    415,972.45x = 129,150,838,889.94
  5. Step 5: Solve for x
    x = 129,150,838,889.94/415,972.45
  6. Step 6: Final answer
    x = 310,479.31

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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.