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Finding the Fourth Proportional to 180,401.51, 270,908.45 and 156,738.17

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Solution

The fourth proportional to 180,401.51, 270,908.45 and 156,738.17 is: 235,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,401.51 : 270,908.45 = 156,738.17 : x
  2. Step 2: Convert to fraction form
    180,401.51/270,908.45 = 156,738.17/x
  3. Step 3: Cross multiply
    180,401.51x = 270,908.45 × 156,738.17
  4. Step 4: Simplify right side
    180,401.51x = 42,461,694,690.54
  5. Step 5: Solve for x
    x = 42,461,694,690.54/180,401.51
  6. Step 6: Final answer
    x = 235,373.28

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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.