Home / 438,302.01-657,857.12-222,312.34

Finding the Fourth Proportional to 438,302.01, 657,857.12 and 222,312.34

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Solution

The fourth proportional to 438,302.01, 657,857.12 and 222,312.34 is: 333,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,302.01 : 657,857.12 = 222,312.34 : x
  2. Step 2: Convert to fraction form
    438,302.01/657,857.12 = 222,312.34/x
  3. Step 3: Cross multiply
    438,302.01x = 657,857.12 × 222,312.34
  4. Step 4: Simplify right side
    438,302.01x = 146,249,753,810.33
  5. Step 5: Solve for x
    x = 146,249,753,810.33/438,302.01
  6. Step 6: Final answer
    x = 333,673.47

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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.