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Finding the Fourth Proportional to 403,352.84, 604,888.14 and 118,967.88

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Solution

The fourth proportional to 403,352.84, 604,888.14 and 118,967.88 is: 178,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,352.84 : 604,888.14 = 118,967.88 : x
  2. Step 2: Convert to fraction form
    403,352.84/604,888.14 = 118,967.88/x
  3. Step 3: Cross multiply
    403,352.84x = 604,888.14 × 118,967.88
  4. Step 4: Simplify right side
    403,352.84x = 71,962,259,652.94
  5. Step 5: Solve for x
    x = 71,962,259,652.94/403,352.84
  6. Step 6: Final answer
    x = 178,410.20

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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.