Home / 287,957.32-432,004.02-130,185.52

Finding the Fourth Proportional to 287,957.32, 432,004.02 and 130,185.52

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Solution

The fourth proportional to 287,957.32, 432,004.02 and 130,185.52 is: 195,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,957.32 : 432,004.02 = 130,185.52 : x
  2. Step 2: Convert to fraction form
    287,957.32/432,004.02 = 130,185.52/x
  3. Step 3: Cross multiply
    287,957.32x = 432,004.02 × 130,185.52
  4. Step 4: Simplify right side
    287,957.32x = 56,240,667,985.79
  5. Step 5: Solve for x
    x = 56,240,667,985.79/287,957.32
  6. Step 6: Final answer
    x = 195,309.04

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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.