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Finding the Fourth Proportional to 219,383.58, 302,754.96 and 134,547.42

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Solution

The fourth proportional to 219,383.58, 302,754.96 and 134,547.42 is: 185,678.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,383.58 : 302,754.96 = 134,547.42 : x
  2. Step 2: Convert to fraction form
    219,383.58/302,754.96 = 134,547.42/x
  3. Step 3: Cross multiply
    219,383.58x = 302,754.96 × 134,547.42
  4. Step 4: Simplify right side
    219,383.58x = 40,734,898,760.20
  5. Step 5: Solve for x
    x = 40,734,898,760.20/219,383.58
  6. Step 6: Final answer
    x = 185,678.89

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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.