Home / 288,715.44-433,199.75-137,022.07

Finding the Fourth Proportional to 288,715.44, 433,199.75 and 137,022.07

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Solution

The fourth proportional to 288,715.44, 433,199.75 and 137,022.07 is: 205,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,715.44 : 433,199.75 = 137,022.07 : x
  2. Step 2: Convert to fraction form
    288,715.44/433,199.75 = 137,022.07/x
  3. Step 3: Cross multiply
    288,715.44x = 433,199.75 × 137,022.07
  4. Step 4: Simplify right side
    288,715.44x = 59,357,929,095.12
  5. Step 5: Solve for x
    x = 59,357,929,095.12/288,715.44
  6. Step 6: Final answer
    x = 205,593.19

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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.