Home / 438,865.22-658,322.40-123,297.50

Finding the Fourth Proportional to 438,865.22, 658,322.40 and 123,297.50

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Solution

The fourth proportional to 438,865.22, 658,322.40 and 123,297.50 is: 184,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,865.22 : 658,322.40 = 123,297.50 : x
  2. Step 2: Convert to fraction form
    438,865.22/658,322.40 = 123,297.50/x
  3. Step 3: Cross multiply
    438,865.22x = 658,322.40 × 123,297.50
  4. Step 4: Simplify right side
    438,865.22x = 81,169,506,114
  5. Step 5: Solve for x
    x = 81,169,506,114/438,865.22
  6. Step 6: Final answer
    x = 184,953.15

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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.