Home / 288,374.28-432,573.31-98,964.79

Finding the Fourth Proportional to 288,374.28, 432,573.31 and 98,964.79

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Solution

The fourth proportional to 288,374.28, 432,573.31 and 98,964.79 is: 148,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,374.28 : 432,573.31 = 98,964.79 : x
  2. Step 2: Convert to fraction form
    288,374.28/432,573.31 = 98,964.79/x
  3. Step 3: Cross multiply
    288,374.28x = 432,573.31 × 98,964.79
  4. Step 4: Simplify right side
    288,374.28x = 42,809,525,826.03
  5. Step 5: Solve for x
    x = 42,809,525,826.03/288,374.28
  6. Step 6: Final answer
    x = 148,451.26

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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.