Finding the Fourth Proportional to 368,793.50, 553,657.18 and 226,288.70
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Solution
The fourth proportional to 368,793.50, 553,657.18 and 226,288.70 is: 339,719.55
Step by Step Solution
- Step 1: Write the proportion equation
368,793.50 : 553,657.18 = 226,288.70 : x - Step 2: Convert to fraction form
368,793.50/553,657.18 = 226,288.70/x - Step 3: Cross multiply
368,793.50x = 553,657.18 × 226,288.70 - Step 4: Simplify right side
368,793.50x = 125,286,363,507.87 - Step 5: Solve for x
x = 125,286,363,507.87/368,793.50 - Step 6: Final answer
x = 339,719.55
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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.