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Finding the Fourth Proportional to 371,036.86, 511,884.75 and 227,547.70

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Solution

The fourth proportional to 371,036.86, 511,884.75 and 227,547.70 is: 313,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,036.86 : 511,884.75 = 227,547.70 : x
  2. Step 2: Convert to fraction form
    371,036.86/511,884.75 = 227,547.70/x
  3. Step 3: Cross multiply
    371,036.86x = 511,884.75 × 227,547.70
  4. Step 4: Simplify right side
    371,036.86x = 116,478,197,527.58
  5. Step 5: Solve for x
    x = 116,478,197,527.58/371,036.86
  6. Step 6: Final answer
    x = 313,926.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.