Home / 272,938.21-376,649.71-152,076.89

Finding the Fourth Proportional to 272,938.21, 376,649.71 and 152,076.89

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Solution

The fourth proportional to 272,938.21, 376,649.71 and 152,076.89 is: 209,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,938.21 : 376,649.71 = 152,076.89 : x
  2. Step 2: Convert to fraction form
    272,938.21/376,649.71 = 152,076.89/x
  3. Step 3: Cross multiply
    272,938.21x = 376,649.71 × 152,076.89
  4. Step 4: Simplify right side
    272,938.21x = 57,279,717,077.63
  5. Step 5: Solve for x
    x = 57,279,717,077.63/272,938.21
  6. Step 6: Final answer
    x = 209,863.32

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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.