Home / 314,769.76-434,382.30-171,529.78

Finding the Fourth Proportional to 314,769.76, 434,382.30 and 171,529.78

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Solution

The fourth proportional to 314,769.76, 434,382.30 and 171,529.78 is: 236,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,769.76 : 434,382.30 = 171,529.78 : x
  2. Step 2: Convert to fraction form
    314,769.76/434,382.30 = 171,529.78/x
  3. Step 3: Cross multiply
    314,769.76x = 434,382.30 × 171,529.78
  4. Step 4: Simplify right side
    314,769.76x = 74,509,500,354.89
  5. Step 5: Solve for x
    x = 74,509,500,354.89/314,769.76
  6. Step 6: Final answer
    x = 236,711.11

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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.