Home / 212,817.02-319,228.68-63,072.50

Finding the Fourth Proportional to 212,817.02, 319,228.68 and 63,072.50

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Solution

The fourth proportional to 212,817.02, 319,228.68 and 63,072.50 is: 94,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,817.02 : 319,228.68 = 63,072.50 : x
  2. Step 2: Convert to fraction form
    212,817.02/319,228.68 = 63,072.50/x
  3. Step 3: Cross multiply
    212,817.02x = 319,228.68 × 63,072.50
  4. Step 4: Simplify right side
    212,817.02x = 20,134,550,919.30
  5. Step 5: Solve for x
    x = 20,134,550,919.30/212,817.02
  6. Step 6: Final answer
    x = 94,609.68

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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.