Home / 288,162.02-431,943.32-119,774

Finding the Fourth Proportional to 288,162.02, 431,943.32 and 119,774

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Solution

The fourth proportional to 288,162.02, 431,943.32 and 119,774 is: 179,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,162.02 : 431,943.32 = 119,774 : x
  2. Step 2: Convert to fraction form
    288,162.02/431,943.32 = 119,774/x
  3. Step 3: Cross multiply
    288,162.02x = 431,943.32 × 119,774
  4. Step 4: Simplify right side
    288,162.02x = 51,735,579,209.68
  5. Step 5: Solve for x
    x = 51,735,579,209.68/288,162.02
  6. Step 6: Final answer
    x = 179,536.43

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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.