Home / 438,875.22-658,337.40-123,307.50

Finding the Fourth Proportional to 438,875.22, 658,337.40 and 123,307.50

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Solution

The fourth proportional to 438,875.22, 658,337.40 and 123,307.50 is: 184,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,875.22 : 658,337.40 = 123,307.50 : x
  2. Step 2: Convert to fraction form
    438,875.22/658,337.40 = 123,307.50/x
  3. Step 3: Cross multiply
    438,875.22x = 658,337.40 × 123,307.50
  4. Step 4: Simplify right side
    438,875.22x = 81,177,938,950.50
  5. Step 5: Solve for x
    x = 81,177,938,950.50/438,875.22
  6. Step 6: Final answer
    x = 184,968.15

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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.