Home / 528,047.56-791,809.20-168,171.50

Finding the Fourth Proportional to 528,047.56, 791,809.20 and 168,171.50

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Solution

The fourth proportional to 528,047.56, 791,809.20 and 168,171.50 is: 252,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,047.56 : 791,809.20 = 168,171.50 : x
  2. Step 2: Convert to fraction form
    528,047.56/791,809.20 = 168,171.50/x
  3. Step 3: Cross multiply
    528,047.56x = 791,809.20 × 168,171.50
  4. Step 4: Simplify right side
    528,047.56x = 133,159,740,877.80
  5. Step 5: Solve for x
    x = 133,159,740,877.80/528,047.56
  6. Step 6: Final answer
    x = 252,173.76

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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.