Home / 272,005.35-375,359.90-151,143.51

Finding the Fourth Proportional to 272,005.35, 375,359.90 and 151,143.51

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Solution

The fourth proportional to 272,005.35, 375,359.90 and 151,143.51 is: 208,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,005.35 : 375,359.90 = 151,143.51 : x
  2. Step 2: Convert to fraction form
    272,005.35/375,359.90 = 151,143.51/x
  3. Step 3: Cross multiply
    272,005.35x = 375,359.90 × 151,143.51
  4. Step 4: Simplify right side
    272,005.35x = 56,733,212,043.53
  5. Step 5: Solve for x
    x = 56,733,212,043.53/272,005.35
  6. Step 6: Final answer
    x = 208,573.88

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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.