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Finding the Fourth Proportional to 438,266.32, 604,836 and 247,210

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Solution

The fourth proportional to 438,266.32, 604,836 and 247,210 is: 341,165.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,266.32 : 604,836 = 247,210 : x
  2. Step 2: Convert to fraction form
    438,266.32/604,836 = 247,210/x
  3. Step 3: Cross multiply
    438,266.32x = 604,836 × 247,210
  4. Step 4: Simplify right side
    438,266.32x = 149,521,507,560
  5. Step 5: Solve for x
    x = 149,521,507,560/438,266.32
  6. Step 6: Final answer
    x = 341,165.86

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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.