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Finding the Fourth Proportional to 219,484.83, 329,224.85 and 53,272.83

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Solution

The fourth proportional to 219,484.83, 329,224.85 and 53,272.83 is: 79,908.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,484.83 : 329,224.85 = 53,272.83 : x
  2. Step 2: Convert to fraction form
    219,484.83/329,224.85 = 53,272.83/x
  3. Step 3: Cross multiply
    219,484.83x = 329,224.85 × 53,272.83
  4. Step 4: Simplify right side
    219,484.83x = 17,538,739,199.46
  5. Step 5: Solve for x
    x = 17,538,739,199.46/219,484.83
  6. Step 6: Final answer
    x = 79,908.66

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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.