Home / 425,026.03-586,513.28-243,729.20

Finding the Fourth Proportional to 425,026.03, 586,513.28 and 243,729.20

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Solution

The fourth proportional to 425,026.03, 586,513.28 and 243,729.20 is: 336,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,026.03 : 586,513.28 = 243,729.20 : x
  2. Step 2: Convert to fraction form
    425,026.03/586,513.28 = 243,729.20/x
  3. Step 3: Cross multiply
    425,026.03x = 586,513.28 × 243,729.20
  4. Step 4: Simplify right side
    425,026.03x = 142,950,410,200.53
  5. Step 5: Solve for x
    x = 142,950,410,200.53/425,026.03
  6. Step 6: Final answer
    x = 336,333.31

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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.