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Finding the Fourth Proportional to 227,555, 341,332.50 and 61,343

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Solution

The fourth proportional to 227,555, 341,332.50 and 61,343 is: 92,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,555 : 341,332.50 = 61,343 : x
  2. Step 2: Convert to fraction form
    227,555/341,332.50 = 61,343/x
  3. Step 3: Cross multiply
    227,555x = 341,332.50 × 61,343
  4. Step 4: Simplify right side
    227,555x = 20,938,359,547.50
  5. Step 5: Solve for x
    x = 20,938,359,547.50/227,555
  6. Step 6: Final answer
    x = 92,014.50

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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.