Home / 219,423.60-302,596.56-151,331.76

Finding the Fourth Proportional to 219,423.60, 302,596.56 and 151,331.76

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Solution

The fourth proportional to 219,423.60, 302,596.56 and 151,331.76 is: 208,694.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,423.60 : 302,596.56 = 151,331.76 : x
  2. Step 2: Convert to fraction form
    219,423.60/302,596.56 = 151,331.76/x
  3. Step 3: Cross multiply
    219,423.60x = 302,596.56 × 151,331.76
  4. Step 4: Simplify right side
    219,423.60x = 45,792,469,994.75
  5. Step 5: Solve for x
    x = 45,792,469,994.75/219,423.60
  6. Step 6: Final answer
    x = 208,694.37

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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.