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Finding the Fourth Proportional to 272,878.76, 376,572.89 and 152,020.33

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Solution

The fourth proportional to 272,878.76, 376,572.89 and 152,020.33 is: 209,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,878.76 : 376,572.89 = 152,020.33 : x
  2. Step 2: Convert to fraction form
    272,878.76/376,572.89 = 152,020.33/x
  3. Step 3: Cross multiply
    272,878.76x = 376,572.89 × 152,020.33
  4. Step 4: Simplify right side
    272,878.76x = 57,246,735,006.85
  5. Step 5: Solve for x
    x = 57,246,735,006.85/272,878.76
  6. Step 6: Final answer
    x = 209,788.17

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1.5x scale

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.