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Finding the Fourth Proportional to 376,030.30, 563,985 and 109,728.42

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Solution

The fourth proportional to 376,030.30, 563,985 and 109,728.42 is: 164,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,030.30 : 563,985 = 109,728.42 : x
  2. Step 2: Convert to fraction form
    376,030.30/563,985 = 109,728.42/x
  3. Step 3: Cross multiply
    376,030.30x = 563,985 × 109,728.42
  4. Step 4: Simplify right side
    376,030.30x = 61,885,182,953.70
  5. Step 5: Solve for x
    x = 61,885,182,953.70/376,030.30
  6. Step 6: Final answer
    x = 164,574.99

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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.