Home / 212,231.22-318,279.16-70,050.10

Finding the Fourth Proportional to 212,231.22, 318,279.16 and 70,050.10

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Solution

The fourth proportional to 212,231.22, 318,279.16 and 70,050.10 is: 105,052.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,231.22 : 318,279.16 = 70,050.10 : x
  2. Step 2: Convert to fraction form
    212,231.22/318,279.16 = 70,050.10/x
  3. Step 3: Cross multiply
    212,231.22x = 318,279.16 × 70,050.10
  4. Step 4: Simplify right side
    212,231.22x = 22,295,486,985.92
  5. Step 5: Solve for x
    x = 22,295,486,985.92/212,231.22
  6. Step 6: Final answer
    x = 105,052.81

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1.5x scale

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.