Home / 287,977.65-431,977.41-110,502.60

Finding the Fourth Proportional to 287,977.65, 431,977.41 and 110,502.60

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Solution

The fourth proportional to 287,977.65, 431,977.41 and 110,502.60 is: 165,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,977.65 : 431,977.41 = 110,502.60 : x
  2. Step 2: Convert to fraction form
    287,977.65/431,977.41 = 110,502.60/x
  3. Step 3: Cross multiply
    287,977.65x = 431,977.41 × 110,502.60
  4. Step 4: Simplify right side
    287,977.65x = 47,734,626,946.27
  5. Step 5: Solve for x
    x = 47,734,626,946.27/287,977.65
  6. Step 6: Final answer
    x = 165,758.10

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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.