Home / 306,942.16-423,580.96-177,905.52

Finding the Fourth Proportional to 306,942.16, 423,580.96 and 177,905.52

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Solution

The fourth proportional to 306,942.16, 423,580.96 and 177,905.52 is: 245,510.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,942.16 : 423,580.96 = 177,905.52 : x
  2. Step 2: Convert to fraction form
    306,942.16/423,580.96 = 177,905.52/x
  3. Step 3: Cross multiply
    306,942.16x = 423,580.96 × 177,905.52
  4. Step 4: Simplify right side
    306,942.16x = 75,357,390,950.90
  5. Step 5: Solve for x
    x = 75,357,390,950.90/306,942.16
  6. Step 6: Final answer
    x = 245,510.07

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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.