Home / 272,485.63-375,986.82-151,626.54

Finding the Fourth Proportional to 272,485.63, 375,986.82 and 151,626.54

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Solution

The fourth proportional to 272,485.63, 375,986.82 and 151,626.54 is: 209,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,485.63 : 375,986.82 = 151,626.54 : x
  2. Step 2: Convert to fraction form
    272,485.63/375,986.82 = 151,626.54/x
  3. Step 3: Cross multiply
    272,485.63x = 375,986.82 × 151,626.54
  4. Step 4: Simplify right side
    272,485.63x = 57,009,580,602.20
  5. Step 5: Solve for x
    x = 57,009,580,602.20/272,485.63
  6. Step 6: Final answer
    x = 209,220.50

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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.