Home / 272,537.76-376,528.70-208,232.06

Finding the Fourth Proportional to 272,537.76, 376,528.70 and 208,232.06

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Solution

The fourth proportional to 272,537.76, 376,528.70 and 208,232.06 is: 287,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,537.76 : 376,528.70 = 208,232.06 : x
  2. Step 2: Convert to fraction form
    272,537.76/376,528.70 = 208,232.06/x
  3. Step 3: Cross multiply
    272,537.76x = 376,528.70 × 208,232.06
  4. Step 4: Simplify right side
    272,537.76x = 78,405,346,750.28
  5. Step 5: Solve for x
    x = 78,405,346,750.28/272,537.76
  6. Step 6: Final answer
    x = 287,686.18

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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.