Home / 288,561.65-432,849.90-136,723.10

Finding the Fourth Proportional to 288,561.65, 432,849.90 and 136,723.10

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Solution

The fourth proportional to 288,561.65, 432,849.90 and 136,723.10 is: 205,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,561.65 : 432,849.90 = 136,723.10 : x
  2. Step 2: Convert to fraction form
    288,561.65/432,849.90 = 136,723.10/x
  3. Step 3: Cross multiply
    288,561.65x = 432,849.90 × 136,723.10
  4. Step 4: Simplify right side
    288,561.65x = 59,180,580,162.69
  5. Step 5: Solve for x
    x = 59,180,580,162.69/288,561.65
  6. Step 6: Final answer
    x = 205,088.17

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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.