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Finding the Fourth Proportional to 407,926.80, 611,680.08 and 183,094.50

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Solution

The fourth proportional to 407,926.80, 611,680.08 and 183,094.50 is: 274,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,926.80 : 611,680.08 = 183,094.50 : x
  2. Step 2: Convert to fraction form
    407,926.80/611,680.08 = 183,094.50/x
  3. Step 3: Cross multiply
    407,926.80x = 611,680.08 × 183,094.50
  4. Step 4: Simplify right side
    407,926.80x = 111,995,258,407.56
  5. Step 5: Solve for x
    x = 111,995,258,407.56/407,926.80
  6. Step 6: Final answer
    x = 274,547.44

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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.