Home / 258,960.68-357,365.61-151,551.18

Finding the Fourth Proportional to 258,960.68, 357,365.61 and 151,551.18

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Solution

The fourth proportional to 258,960.68, 357,365.61 and 151,551.18 is: 209,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,960.68 : 357,365.61 = 151,551.18 : x
  2. Step 2: Convert to fraction form
    258,960.68/357,365.61 = 151,551.18/x
  3. Step 3: Cross multiply
    258,960.68x = 357,365.61 × 151,551.18
  4. Step 4: Simplify right side
    258,960.68x = 54,159,179,886.92
  5. Step 5: Solve for x
    x = 54,159,179,886.92/258,960.68
  6. Step 6: Final answer
    x = 209,140.56

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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.