Home / 553,084.64-829,799.18-198,101.72

Finding the Fourth Proportional to 553,084.64, 829,799.18 and 198,101.72

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Solution

The fourth proportional to 553,084.64, 829,799.18 and 198,101.72 is: 297,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,084.64 : 829,799.18 = 198,101.72 : x
  2. Step 2: Convert to fraction form
    553,084.64/829,799.18 = 198,101.72/x
  3. Step 3: Cross multiply
    553,084.64x = 829,799.18 × 198,101.72
  4. Step 4: Simplify right side
    553,084.64x = 164,384,644,812.59
  5. Step 5: Solve for x
    x = 164,384,644,812.59/553,084.64
  6. Step 6: Final answer
    x = 297,214.27

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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.