Home / 458,981.44-688,496.76-143,462.95

Finding the Fourth Proportional to 458,981.44, 688,496.76 and 143,462.95

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Solution

The fourth proportional to 458,981.44, 688,496.76 and 143,462.95 is: 215,202.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,981.44 : 688,496.76 = 143,462.95 : x
  2. Step 2: Convert to fraction form
    458,981.44/688,496.76 = 143,462.95/x
  3. Step 3: Cross multiply
    458,981.44x = 688,496.76 × 143,462.95
  4. Step 4: Simplify right side
    458,981.44x = 98,773,774,533.80
  5. Step 5: Solve for x
    x = 98,773,774,533.80/458,981.44
  6. Step 6: Final answer
    x = 215,202.11

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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.