Home / 219,426.40-329,139.60-61,681.60

Finding the Fourth Proportional to 219,426.40, 329,139.60 and 61,681.60

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Solution

The fourth proportional to 219,426.40, 329,139.60 and 61,681.60 is: 92,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,426.40 : 329,139.60 = 61,681.60 : x
  2. Step 2: Convert to fraction form
    219,426.40/329,139.60 = 61,681.60/x
  3. Step 3: Cross multiply
    219,426.40x = 329,139.60 × 61,681.60
  4. Step 4: Simplify right side
    219,426.40x = 20,301,857,151.36
  5. Step 5: Solve for x
    x = 20,301,857,151.36/219,426.40
  6. Step 6: Final answer
    x = 92,522.40

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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.