Home / 293,213.93-439,829.09-103,647.50

Finding the Fourth Proportional to 293,213.93, 439,829.09 and 103,647.50

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Solution

The fourth proportional to 293,213.93, 439,829.09 and 103,647.50 is: 155,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,213.93 : 439,829.09 = 103,647.50 : x
  2. Step 2: Convert to fraction form
    293,213.93/439,829.09 = 103,647.50/x
  3. Step 3: Cross multiply
    293,213.93x = 439,829.09 × 103,647.50
  4. Step 4: Simplify right side
    293,213.93x = 45,587,184,926.43
  5. Step 5: Solve for x
    x = 45,587,184,926.43/293,213.93
  6. Step 6: Final answer
    x = 155,474.15

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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.