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Finding the Fourth Proportional to 428,998.95, 592,010.68 and 238,008.24

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Solution

The fourth proportional to 428,998.95, 592,010.68 and 238,008.24 is: 328,447.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,998.95 : 592,010.68 = 238,008.24 : x
  2. Step 2: Convert to fraction form
    428,998.95/592,010.68 = 238,008.24/x
  3. Step 3: Cross multiply
    428,998.95x = 592,010.68 × 238,008.24
  4. Step 4: Simplify right side
    428,998.95x = 140,903,420,008.00
  5. Step 5: Solve for x
    x = 140,903,420,008.00/428,998.95
  6. Step 6: Final answer
    x = 328,447.00

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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.