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Finding the Fourth Proportional to 374,774.82, 562,080.80 and 118,627.30

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Solution

The fourth proportional to 374,774.82, 562,080.80 and 118,627.30 is: 177,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,774.82 : 562,080.80 = 118,627.30 : x
  2. Step 2: Convert to fraction form
    374,774.82/562,080.80 = 118,627.30/x
  3. Step 3: Cross multiply
    374,774.82x = 562,080.80 × 118,627.30
  4. Step 4: Simplify right side
    374,774.82x = 66,678,127,685.84
  5. Step 5: Solve for x
    x = 66,678,127,685.84/374,774.82
  6. Step 6: Final answer
    x = 177,915.17

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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.