Home / 211,216.95-316,819.89-70,975.53

Finding the Fourth Proportional to 211,216.95, 316,819.89 and 70,975.53

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Solution

The fourth proportional to 211,216.95, 316,819.89 and 70,975.53 is: 106,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,216.95 : 316,819.89 = 70,975.53 : x
  2. Step 2: Convert to fraction form
    211,216.95/316,819.89 = 70,975.53/x
  3. Step 3: Cross multiply
    211,216.95x = 316,819.89 × 70,975.53
  4. Step 4: Simplify right side
    211,216.95x = 22,486,459,607.29
  5. Step 5: Solve for x
    x = 22,486,459,607.29/211,216.95
  6. Step 6: Final answer
    x = 106,461.44

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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.