Home / 385,977.03-532,642.45-216,217.23

Finding the Fourth Proportional to 385,977.03, 532,642.45 and 216,217.23

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Solution

The fourth proportional to 385,977.03, 532,642.45 and 216,217.23 is: 298,376.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,977.03 : 532,642.45 = 216,217.23 : x
  2. Step 2: Convert to fraction form
    385,977.03/532,642.45 = 216,217.23/x
  3. Step 3: Cross multiply
    385,977.03x = 532,642.45 × 216,217.23
  4. Step 4: Simplify right side
    385,977.03x = 115,166,475,119.41
  5. Step 5: Solve for x
    x = 115,166,475,119.41/385,977.03
  6. Step 6: Final answer
    x = 298,376.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.