Home / 216,307.20-324,456.53-64,607.02

Finding the Fourth Proportional to 216,307.20, 324,456.53 and 64,607.02

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Solution

The fourth proportional to 216,307.20, 324,456.53 and 64,607.02 is: 96,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,307.20 : 324,456.53 = 64,607.02 : x
  2. Step 2: Convert to fraction form
    216,307.20/324,456.53 = 64,607.02/x
  3. Step 3: Cross multiply
    216,307.20x = 324,456.53 × 64,607.02
  4. Step 4: Simplify right side
    216,307.20x = 20,962,169,199.81
  5. Step 5: Solve for x
    x = 20,962,169,199.81/216,307.20
  6. Step 6: Final answer
    x = 96,909.25

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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.