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Finding the Fourth Proportional to 272,492.70, 375,826.90 and 177,030.16

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Solution

The fourth proportional to 272,492.70, 375,826.90 and 177,030.16 is: 244,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,492.70 : 375,826.90 = 177,030.16 : x
  2. Step 2: Convert to fraction form
    272,492.70/375,826.90 = 177,030.16/x
  3. Step 3: Cross multiply
    272,492.70x = 375,826.90 × 177,030.16
  4. Step 4: Simplify right side
    272,492.70x = 66,532,696,239.30
  5. Step 5: Solve for x
    x = 66,532,696,239.30/272,492.70
  6. Step 6: Final answer
    x = 244,163.22

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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.