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Finding the Fourth Proportional to 341,222.83, 471,038.49 and 220,423.01

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Solution

The fourth proportional to 341,222.83, 471,038.49 and 220,423.01 is: 304,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,222.83 : 471,038.49 = 220,423.01 : x
  2. Step 2: Convert to fraction form
    341,222.83/471,038.49 = 220,423.01/x
  3. Step 3: Cross multiply
    341,222.83x = 471,038.49 × 220,423.01
  4. Step 4: Simplify right side
    341,222.83x = 103,827,721,791.66
  5. Step 5: Solve for x
    x = 103,827,721,791.66/341,222.83
  6. Step 6: Final answer
    x = 304,281.29

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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.