Home / 347,559.28-521,329.80-110,916.40

Finding the Fourth Proportional to 347,559.28, 521,329.80 and 110,916.40

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Solution

The fourth proportional to 347,559.28, 521,329.80 and 110,916.40 is: 166,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,559.28 : 521,329.80 = 110,916.40 : x
  2. Step 2: Convert to fraction form
    347,559.28/521,329.80 = 110,916.40/x
  3. Step 3: Cross multiply
    347,559.28x = 521,329.80 × 110,916.40
  4. Step 4: Simplify right side
    347,559.28x = 57,824,024,628.72
  5. Step 5: Solve for x
    x = 57,824,024,628.72/347,559.28
  6. Step 6: Final answer
    x = 166,371.69

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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.