Home / 212,499.26-318,807.10-62,739.50

Finding the Fourth Proportional to 212,499.26, 318,807.10 and 62,739.50

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Solution

The fourth proportional to 212,499.26, 318,807.10 and 62,739.50 is: 94,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,499.26 : 318,807.10 = 62,739.50 : x
  2. Step 2: Convert to fraction form
    212,499.26/318,807.10 = 62,739.50/x
  3. Step 3: Cross multiply
    212,499.26x = 318,807.10 × 62,739.50
  4. Step 4: Simplify right side
    212,499.26x = 20,001,798,050.45
  5. Step 5: Solve for x
    x = 20,001,798,050.45/212,499.26
  6. Step 6: Final answer
    x = 94,126.44

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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.