Home / 219,681.41-329,522.13-79,407.23

Finding the Fourth Proportional to 219,681.41, 329,522.13 and 79,407.23

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Solution

The fourth proportional to 219,681.41, 329,522.13 and 79,407.23 is: 119,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,681.41 : 329,522.13 = 79,407.23 : x
  2. Step 2: Convert to fraction form
    219,681.41/329,522.13 = 79,407.23/x
  3. Step 3: Cross multiply
    219,681.41x = 329,522.13 × 79,407.23
  4. Step 4: Simplify right side
    219,681.41x = 26,166,437,919.39
  5. Step 5: Solve for x
    x = 26,166,437,919.39/219,681.41
  6. Step 6: Final answer
    x = 119,110.85

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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.