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Finding the Fourth Proportional to 535,123.76, 802,768.72 and 180,110.08

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Solution

The fourth proportional to 535,123.76, 802,768.72 and 180,110.08 is: 270,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,123.76 : 802,768.72 = 180,110.08 : x
  2. Step 2: Convert to fraction form
    535,123.76/802,768.72 = 180,110.08/x
  3. Step 3: Cross multiply
    535,123.76x = 802,768.72 × 180,110.08
  4. Step 4: Simplify right side
    535,123.76x = 144,586,738,380.70
  5. Step 5: Solve for x
    x = 144,586,738,380.70/535,123.76
  6. Step 6: Final answer
    x = 270,193.08

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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.