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Finding the Fourth Proportional to 425,351.78, 586,801.03 and 253,173.20

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Solution

The fourth proportional to 425,351.78, 586,801.03 and 253,173.20 is: 349,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,351.78 : 586,801.03 = 253,173.20 : x
  2. Step 2: Convert to fraction form
    425,351.78/586,801.03 = 253,173.20/x
  3. Step 3: Cross multiply
    425,351.78x = 586,801.03 × 253,173.20
  4. Step 4: Simplify right side
    425,351.78x = 148,562,292,148.21
  5. Step 5: Solve for x
    x = 148,562,292,148.21/425,351.78
  6. Step 6: Final answer
    x = 349,269.24

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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.