Home / 438,784.07-658,176.10-106,360.07

Finding the Fourth Proportional to 438,784.07, 658,176.10 and 106,360.07

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Solution

The fourth proportional to 438,784.07, 658,176.10 and 106,360.07 is: 159,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,784.07 : 658,176.10 = 106,360.07 : x
  2. Step 2: Convert to fraction form
    438,784.07/658,176.10 = 106,360.07/x
  3. Step 3: Cross multiply
    438,784.07x = 658,176.10 × 106,360.07
  4. Step 4: Simplify right side
    438,784.07x = 70,003,652,777.45
  5. Step 5: Solve for x
    x = 70,003,652,777.45/438,784.07
  6. Step 6: Final answer
    x = 159,540.10

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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.