Home / 272,475.54-375,972.93-153,220.50

Finding the Fourth Proportional to 272,475.54, 375,972.93 and 153,220.50

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Solution

The fourth proportional to 272,475.54, 375,972.93 and 153,220.50 is: 211,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,475.54 : 375,972.93 = 153,220.50 : x
  2. Step 2: Convert to fraction form
    272,475.54/375,972.93 = 153,220.50/x
  3. Step 3: Cross multiply
    272,475.54x = 375,972.93 × 153,220.50
  4. Step 4: Simplify right side
    272,475.54x = 57,606,760,321.07
  5. Step 5: Solve for x
    x = 57,606,760,321.07/272,475.54
  6. Step 6: Final answer
    x = 211,419.93

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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.