Home / 258,710.79-357,016.23-144,008.04

Finding the Fourth Proportional to 258,710.79, 357,016.23 and 144,008.04

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Solution

The fourth proportional to 258,710.79, 357,016.23 and 144,008.04 is: 198,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,710.79 : 357,016.23 = 144,008.04 : x
  2. Step 2: Convert to fraction form
    258,710.79/357,016.23 = 144,008.04/x
  3. Step 3: Cross multiply
    258,710.79x = 357,016.23 × 144,008.04
  4. Step 4: Simplify right side
    258,710.79x = 51,413,207,530.49
  5. Step 5: Solve for x
    x = 51,413,207,530.49/258,710.79
  6. Step 6: Final answer
    x = 198,728.50

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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.