Home / 401,298.46-553,777.17-220,006.40

Finding the Fourth Proportional to 401,298.46, 553,777.17 and 220,006.40

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Solution

The fourth proportional to 401,298.46, 553,777.17 and 220,006.40 is: 303,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,298.46 : 553,777.17 = 220,006.40 : x
  2. Step 2: Convert to fraction form
    401,298.46/553,777.17 = 220,006.40/x
  3. Step 3: Cross multiply
    401,298.46x = 553,777.17 × 220,006.40
  4. Step 4: Simplify right side
    401,298.46x = 121,834,521,573.89
  5. Step 5: Solve for x
    x = 121,834,521,573.89/401,298.46
  6. Step 6: Final answer
    x = 303,600.77

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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.