Finding the Fourth Proportional to 363,587.98, 545,631.08 and 126,930.65
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Solution
The fourth proportional to 363,587.98, 545,631.08 and 126,930.65 is: 190,482.94
Step by Step Solution
- Step 1: Write the proportion equation
363,587.98 : 545,631.08 = 126,930.65 : x - Step 2: Convert to fraction form
363,587.98/545,631.08 = 126,930.65/x - Step 3: Cross multiply
363,587.98x = 545,631.08 × 126,930.65 - Step 4: Simplify right side
363,587.98x = 69,257,307,009.95 - Step 5: Solve for x
x = 69,257,307,009.95/363,587.98 - Step 6: Final answer
x = 190,482.94
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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.