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Finding the Fourth Proportional to 425,345.14, 586,989.59 and 244,090.22

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Solution

The fourth proportional to 425,345.14, 586,989.59 and 244,090.22 is: 336,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,345.14 : 586,989.59 = 244,090.22 : x
  2. Step 2: Convert to fraction form
    425,345.14/586,989.59 = 244,090.22/x
  3. Step 3: Cross multiply
    425,345.14x = 586,989.59 × 244,090.22
  4. Step 4: Simplify right side
    425,345.14x = 143,278,418,407.83
  5. Step 5: Solve for x
    x = 143,278,418,407.83/425,345.14
  6. Step 6: Final answer
    x = 336,852.14

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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.