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Finding the Fourth Proportional to 425,345.31, 586,989.83 and 244,090.40

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Solution

The fourth proportional to 425,345.31, 586,989.83 and 244,090.40 is: 336,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,345.31 : 586,989.83 = 244,090.40 : x
  2. Step 2: Convert to fraction form
    425,345.31/586,989.83 = 244,090.40/x
  3. Step 3: Cross multiply
    425,345.31x = 586,989.83 × 244,090.40
  4. Step 4: Simplify right side
    425,345.31x = 143,278,582,400.63
  5. Step 5: Solve for x
    x = 143,278,582,400.63/425,345.31
  6. Step 6: Final answer
    x = 336,852.39

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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.