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Finding the Fourth Proportional to 259,348.73, 357,932.00 and 144,646.07

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Solution

The fourth proportional to 259,348.73, 357,932.00 and 144,646.07 is: 199,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,348.73 : 357,932.00 = 144,646.07 : x
  2. Step 2: Convert to fraction form
    259,348.73/357,932.00 = 144,646.07/x
  3. Step 3: Cross multiply
    259,348.73x = 357,932.00 × 144,646.07
  4. Step 4: Simplify right side
    259,348.73x = 51,773,455,699.20
  5. Step 5: Solve for x
    x = 51,773,455,699.20/259,348.73
  6. Step 6: Final answer
    x = 199,628.73

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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.