Home / 220,897.72-305,018.63-180,068.25

Finding the Fourth Proportional to 220,897.72, 305,018.63 and 180,068.25

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Solution

The fourth proportional to 220,897.72, 305,018.63 and 180,068.25 is: 248,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,897.72 : 305,018.63 = 180,068.25 : x
  2. Step 2: Convert to fraction form
    220,897.72/305,018.63 = 180,068.25/x
  3. Step 3: Cross multiply
    220,897.72x = 305,018.63 × 180,068.25
  4. Step 4: Simplify right side
    220,897.72x = 54,924,170,921.50
  5. Step 5: Solve for x
    x = 54,924,170,921.50/220,897.72
  6. Step 6: Final answer
    x = 248,640.73

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1.5x scale

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.