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Finding the Fourth Proportional to 288,036.88, 431,870.33 and 119,673.52

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Solution

The fourth proportional to 288,036.88, 431,870.33 and 119,673.52 is: 179,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,036.88 : 431,870.33 = 119,673.52 : x
  2. Step 2: Convert to fraction form
    288,036.88/431,870.33 = 119,673.52/x
  3. Step 3: Cross multiply
    288,036.88x = 431,870.33 × 119,673.52
  4. Step 4: Simplify right side
    288,036.88x = 51,683,441,794.17
  5. Step 5: Solve for x
    x = 51,683,441,794.17/288,036.88
  6. Step 6: Final answer
    x = 179,433.42

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1.5x scale

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.