Home / 258,711.54-357,017.27-144,008.79

Finding the Fourth Proportional to 258,711.54, 357,017.27 and 144,008.79

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Solution

The fourth proportional to 258,711.54, 357,017.27 and 144,008.79 is: 198,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,711.54 : 357,017.27 = 144,008.79 : x
  2. Step 2: Convert to fraction form
    258,711.54/357,017.27 = 144,008.79/x
  3. Step 3: Cross multiply
    258,711.54x = 357,017.27 × 144,008.79
  4. Step 4: Simplify right side
    258,711.54x = 51,413,624,341.76
  5. Step 5: Solve for x
    x = 51,413,624,341.76/258,711.54
  6. Step 6: Final answer
    x = 198,729.54

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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.