Home / 258,487.79-387,335.59-173,935.13

Finding the Fourth Proportional to 258,487.79, 387,335.59 and 173,935.13

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Solution

The fourth proportional to 258,487.79, 387,335.59 and 173,935.13 is: 260,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,487.79 : 387,335.59 = 173,935.13 : x
  2. Step 2: Convert to fraction form
    258,487.79/387,335.59 = 173,935.13/x
  3. Step 3: Cross multiply
    258,487.79x = 387,335.59 × 173,935.13
  4. Step 4: Simplify right side
    258,487.79x = 67,371,263,828.76
  5. Step 5: Solve for x
    x = 67,371,263,828.76/258,487.79
  6. Step 6: Final answer
    x = 260,636.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.