Finding the Fourth Proportional to 268,445.99, 402,960.75 and 108,631.95
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Solution
The fourth proportional to 268,445.99, 402,960.75 and 108,631.95 is: 163,066.00
Step by Step Solution
- Step 1: Write the proportion equation
268,445.99 : 402,960.75 = 108,631.95 : x - Step 2: Convert to fraction form
268,445.99/402,960.75 = 108,631.95/x - Step 3: Cross multiply
268,445.99x = 402,960.75 × 108,631.95 - Step 4: Simplify right side
268,445.99x = 43,774,412,045.96 - Step 5: Solve for x
x = 43,774,412,045.96/268,445.99 - Step 6: Final answer
x = 163,066.00
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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.