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Finding the Fourth Proportional to 425,353.28, 586,803.10 and 253,174.70

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Solution

The fourth proportional to 425,353.28, 586,803.10 and 253,174.70 is: 349,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,353.28 : 586,803.10 = 253,174.70 : x
  2. Step 2: Convert to fraction form
    425,353.28/586,803.10 = 253,174.70/x
  3. Step 3: Cross multiply
    425,353.28x = 586,803.10 × 253,174.70
  4. Step 4: Simplify right side
    425,353.28x = 148,563,698,801.57
  5. Step 5: Solve for x
    x = 148,563,698,801.57/425,353.28
  6. Step 6: Final answer
    x = 349,271.31

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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.