Home / 216,962.71-324,124.61-140,437.82

Finding the Fourth Proportional to 216,962.71, 324,124.61 and 140,437.82

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Solution

The fourth proportional to 216,962.71, 324,124.61 and 140,437.82 is: 209,802.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,962.71 : 324,124.61 = 140,437.82 : x
  2. Step 2: Convert to fraction form
    216,962.71/324,124.61 = 140,437.82/x
  3. Step 3: Cross multiply
    216,962.71x = 324,124.61 × 140,437.82
  4. Step 4: Simplify right side
    216,962.71x = 45,519,353,636.75
  5. Step 5: Solve for x
    x = 45,519,353,636.75/216,962.71
  6. Step 6: Final answer
    x = 209,802.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.