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Finding the Fourth Proportional to 219,884.76, 329,851.04 and 70,089.84

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Solution

The fourth proportional to 219,884.76, 329,851.04 and 70,089.84 is: 105,142.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,884.76 : 329,851.04 = 70,089.84 : x
  2. Step 2: Convert to fraction form
    219,884.76/329,851.04 = 70,089.84/x
  3. Step 3: Cross multiply
    219,884.76x = 329,851.04 × 70,089.84
  4. Step 4: Simplify right side
    219,884.76x = 23,119,206,266.98
  5. Step 5: Solve for x
    x = 23,119,206,266.98/219,884.76
  6. Step 6: Final answer
    x = 105,142.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.