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Finding the Fourth Proportional to 556,332.06, 834,840.72 and 219,315.36

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Solution

The fourth proportional to 556,332.06, 834,840.72 and 219,315.36 is: 329,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,332.06 : 834,840.72 = 219,315.36 : x
  2. Step 2: Convert to fraction form
    556,332.06/834,840.72 = 219,315.36/x
  3. Step 3: Cross multiply
    556,332.06x = 834,840.72 × 219,315.36
  4. Step 4: Simplify right side
    556,332.06x = 183,093,393,049.46
  5. Step 5: Solve for x
    x = 183,093,393,049.46/556,332.06
  6. Step 6: Final answer
    x = 329,108.11

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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.