Home / 288,698.47-432,899.82-153,839.41

Finding the Fourth Proportional to 288,698.47, 432,899.82 and 153,839.41

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Solution

The fourth proportional to 288,698.47, 432,899.82 and 153,839.41 is: 230,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,698.47 : 432,899.82 = 153,839.41 : x
  2. Step 2: Convert to fraction form
    288,698.47/432,899.82 = 153,839.41/x
  3. Step 3: Cross multiply
    288,698.47x = 432,899.82 × 153,839.41
  4. Step 4: Simplify right side
    288,698.47x = 66,597,052,897.91
  5. Step 5: Solve for x
    x = 66,597,052,897.91/288,698.47
  6. Step 6: Final answer
    x = 230,680.31

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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.