Home / 307,849.05-424,902.55-180,565.65

Finding the Fourth Proportional to 307,849.05, 424,902.55 and 180,565.65

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Solution

The fourth proportional to 307,849.05, 424,902.55 and 180,565.65 is: 249,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,849.05 : 424,902.55 = 180,565.65 : x
  2. Step 2: Convert to fraction form
    307,849.05/424,902.55 = 180,565.65/x
  3. Step 3: Cross multiply
    307,849.05x = 424,902.55 × 180,565.65
  4. Step 4: Simplify right side
    307,849.05x = 76,722,806,415.37
  5. Step 5: Solve for x
    x = 76,722,806,415.37/307,849.05
  6. Step 6: Final answer
    x = 249,222.16

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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.