Home / 287,835.96-431,754.75-110,397.36

Finding the Fourth Proportional to 287,835.96, 431,754.75 and 110,397.36

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Solution

The fourth proportional to 287,835.96, 431,754.75 and 110,397.36 is: 165,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,835.96 : 431,754.75 = 110,397.36 : x
  2. Step 2: Convert to fraction form
    287,835.96/431,754.75 = 110,397.36/x
  3. Step 3: Cross multiply
    287,835.96x = 431,754.75 × 110,397.36
  4. Step 4: Simplify right side
    287,835.96x = 47,664,584,567.46
  5. Step 5: Solve for x
    x = 47,664,584,567.46/287,835.96
  6. Step 6: Final answer
    x = 165,596.35

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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.