Home / 272,319.09-375,774.02-157,574.85

Finding the Fourth Proportional to 272,319.09, 375,774.02 and 157,574.85

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Solution

The fourth proportional to 272,319.09, 375,774.02 and 157,574.85 is: 217,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,319.09 : 375,774.02 = 157,574.85 : x
  2. Step 2: Convert to fraction form
    272,319.09/375,774.02 = 157,574.85/x
  3. Step 3: Cross multiply
    272,319.09x = 375,774.02 × 157,574.85
  4. Step 4: Simplify right side
    272,319.09x = 59,212,534,835.40
  5. Step 5: Solve for x
    x = 59,212,534,835.40/272,319.09
  6. Step 6: Final answer
    x = 217,438.06

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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.