Home / 272,838.27-409,157.63-104,275.25

Finding the Fourth Proportional to 272,838.27, 409,157.63 and 104,275.25

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Solution

The fourth proportional to 272,838.27, 409,157.63 and 104,275.25 is: 156,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,838.27 : 409,157.63 = 104,275.25 : x
  2. Step 2: Convert to fraction form
    272,838.27/409,157.63 = 104,275.25/x
  3. Step 3: Cross multiply
    272,838.27x = 409,157.63 × 104,275.25
  4. Step 4: Simplify right side
    272,838.27x = 42,665,013,515.87
  5. Step 5: Solve for x
    x = 42,665,013,515.87/272,838.27
  6. Step 6: Final answer
    x = 156,374.74

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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.