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Finding the Fourth Proportional to 220,383.62, 304,254.29 and 168,603.30

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Solution

The fourth proportional to 220,383.62, 304,254.29 and 168,603.30 is: 232,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,383.62 : 304,254.29 = 168,603.30 : x
  2. Step 2: Convert to fraction form
    220,383.62/304,254.29 = 168,603.30/x
  3. Step 3: Cross multiply
    220,383.62x = 304,254.29 × 168,603.30
  4. Step 4: Simplify right side
    220,383.62x = 51,298,277,333.16
  5. Step 5: Solve for x
    x = 51,298,277,333.16/220,383.62
  6. Step 6: Final answer
    x = 232,768.10

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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.