Home / 220,946.16-304,918.76-166,402.12

Finding the Fourth Proportional to 220,946.16, 304,918.76 and 166,402.12

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Solution

The fourth proportional to 220,946.16, 304,918.76 and 166,402.12 is: 229,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,946.16 : 304,918.76 = 166,402.12 : x
  2. Step 2: Convert to fraction form
    220,946.16/304,918.76 = 166,402.12/x
  3. Step 3: Cross multiply
    220,946.16x = 304,918.76 × 166,402.12
  4. Step 4: Simplify right side
    220,946.16x = 50,739,128,091.77
  5. Step 5: Solve for x
    x = 50,739,128,091.77/220,946.16
  6. Step 6: Final answer
    x = 229,644.76

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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.