Home / 288,548.30-432,822.45-155,688.05

Finding the Fourth Proportional to 288,548.30, 432,822.45 and 155,688.05

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Solution

The fourth proportional to 288,548.30, 432,822.45 and 155,688.05 is: 233,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,548.30 : 432,822.45 = 155,688.05 : x
  2. Step 2: Convert to fraction form
    288,548.30/432,822.45 = 155,688.05/x
  3. Step 3: Cross multiply
    288,548.30x = 432,822.45 × 155,688.05
  4. Step 4: Simplify right side
    288,548.30x = 67,385,283,236.72
  5. Step 5: Solve for x
    x = 67,385,283,236.72/288,548.30
  6. Step 6: Final answer
    x = 233,532.08

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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.