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Finding the Fourth Proportional to 375,597.99, 563,278.05 and 122,820.08

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Solution

The fourth proportional to 375,597.99, 563,278.05 and 122,820.08 is: 184,191.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,597.99 : 563,278.05 = 122,820.08 : x
  2. Step 2: Convert to fraction form
    375,597.99/563,278.05 = 122,820.08/x
  3. Step 3: Cross multiply
    375,597.99x = 563,278.05 × 122,820.08
  4. Step 4: Simplify right side
    375,597.99x = 69,181,852,346.85
  5. Step 5: Solve for x
    x = 69,181,852,346.85/375,597.99
  6. Step 6: Final answer
    x = 184,191.22

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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.