Finding the Fourth Proportional to 92,567.20, 138,769.80 and 62,888.80
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Solution
The fourth proportional to 92,567.20, 138,769.80 and 62,888.80 is: 94,278.17
Step by Step Solution
- Step 1: Write the proportion equation
92,567.20 : 138,769.80 = 62,888.80 : x - Step 2: Convert to fraction form
92,567.20/138,769.80 = 62,888.80/x - Step 3: Cross multiply
92,567.20x = 138,769.80 × 62,888.80 - Step 4: Simplify right side
92,567.20x = 8,727,066,198.24 - Step 5: Solve for x
x = 8,727,066,198.24/92,567.20 - Step 6: Final answer
x = 94,278.17
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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.