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Finding the Fourth Proportional to 367,047.29, 549,685.20 and 208,795.97

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Solution

The fourth proportional to 367,047.29, 549,685.20 and 208,795.97 is: 312,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,047.29 : 549,685.20 = 208,795.97 : x
  2. Step 2: Convert to fraction form
    367,047.29/549,685.20 = 208,795.97/x
  3. Step 3: Cross multiply
    367,047.29x = 549,685.20 × 208,795.97
  4. Step 4: Simplify right side
    367,047.29x = 114,772,054,528.64
  5. Step 5: Solve for x
    x = 114,772,054,528.64/367,047.29
  6. Step 6: Final answer
    x = 312,690.10

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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.