Home / 272,248.18-375,702.79-151,386.87

Finding the Fourth Proportional to 272,248.18, 375,702.79 and 151,386.87

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Solution

The fourth proportional to 272,248.18, 375,702.79 and 151,386.87 is: 208,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,248.18 : 375,702.79 = 151,386.87 : x
  2. Step 2: Convert to fraction form
    272,248.18/375,702.79 = 151,386.87/x
  3. Step 3: Cross multiply
    272,248.18x = 375,702.79 × 151,386.87
  4. Step 4: Simplify right side
    272,248.18x = 56,876,469,428.37
  5. Step 5: Solve for x
    x = 56,876,469,428.37/272,248.18
  6. Step 6: Final answer
    x = 208,914.05

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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.