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Finding the Fourth Proportional to 376,674.04, 567,602.11 and 311,579.20

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Solution

The fourth proportional to 376,674.04, 567,602.11 and 311,579.20 is: 469,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,674.04 : 567,602.11 = 311,579.20 : x
  2. Step 2: Convert to fraction form
    376,674.04/567,602.11 = 311,579.20/x
  3. Step 3: Cross multiply
    376,674.04x = 567,602.11 × 311,579.20
  4. Step 4: Simplify right side
    376,674.04x = 176,853,011,352.11
  5. Step 5: Solve for x
    x = 176,853,011,352.11/376,674.04
  6. Step 6: Final answer
    x = 469,512.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.