Home / 288,529.67-432,827.31-99,004.25

Finding the Fourth Proportional to 288,529.67, 432,827.31 and 99,004.25

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Solution

The fourth proportional to 288,529.67, 432,827.31 and 99,004.25 is: 148,517.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,529.67 : 432,827.31 = 99,004.25 : x
  2. Step 2: Convert to fraction form
    288,529.67/432,827.31 = 99,004.25/x
  3. Step 3: Cross multiply
    288,529.67x = 432,827.31 × 99,004.25
  4. Step 4: Simplify right side
    288,529.67x = 42,851,743,206.07
  5. Step 5: Solve for x
    x = 42,851,743,206.07/288,529.67
  6. Step 6: Final answer
    x = 148,517.63

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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.