Home / 272,928.08-409,314.36-172,937.36

Finding the Fourth Proportional to 272,928.08, 409,314.36 and 172,937.36

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Solution

The fourth proportional to 272,928.08, 409,314.36 and 172,937.36 is: 259,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,928.08 : 409,314.36 = 172,937.36 : x
  2. Step 2: Convert to fraction form
    272,928.08/409,314.36 = 172,937.36/x
  3. Step 3: Cross multiply
    272,928.08x = 409,314.36 × 172,937.36
  4. Step 4: Simplify right side
    272,928.08x = 70,785,744,828.49
  5. Step 5: Solve for x
    x = 70,785,744,828.49/272,928.08
  6. Step 6: Final answer
    x = 259,356.77

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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.