Home / 222,196.77-306,312.57-158,423.85

Finding the Fourth Proportional to 222,196.77, 306,312.57 and 158,423.85

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Solution

The fourth proportional to 222,196.77, 306,312.57 and 158,423.85 is: 218,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,196.77 : 306,312.57 = 158,423.85 : x
  2. Step 2: Convert to fraction form
    222,196.77/306,312.57 = 158,423.85/x
  3. Step 3: Cross multiply
    222,196.77x = 306,312.57 × 158,423.85
  4. Step 4: Simplify right side
    222,196.77x = 48,527,216,642.79
  5. Step 5: Solve for x
    x = 48,527,216,642.79/222,196.77
  6. Step 6: Final answer
    x = 218,397.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.