Finding the Fourth Proportional to 268,326.30, 402,538.05 and 134,870.70
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Solution
The fourth proportional to 268,326.30, 402,538.05 and 134,870.70 is: 202,330.48
Step by Step Solution
- Step 1: Write the proportion equation
268,326.30 : 402,538.05 = 134,870.70 : x - Step 2: Convert to fraction form
268,326.30/402,538.05 = 134,870.70/x - Step 3: Cross multiply
268,326.30x = 402,538.05 × 134,870.70 - Step 4: Simplify right side
268,326.30x = 54,290,588,580.14 - Step 5: Solve for x
x = 54,290,588,580.14/268,326.30 - Step 6: Final answer
x = 202,330.48
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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.