Home / 553,068.20-829,417.77-216,021.43

Finding the Fourth Proportional to 553,068.20, 829,417.77 and 216,021.43

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Solution

The fourth proportional to 553,068.20, 829,417.77 and 216,021.43 is: 323,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,068.20 : 829,417.77 = 216,021.43 : x
  2. Step 2: Convert to fraction form
    553,068.20/829,417.77 = 216,021.43/x
  3. Step 3: Cross multiply
    553,068.20x = 829,417.77 × 216,021.43
  4. Step 4: Simplify right side
    553,068.20x = 179,172,007,515.62
  5. Step 5: Solve for x
    x = 179,172,007,515.62/553,068.20
  6. Step 6: Final answer
    x = 323,960.06

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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.