Finding the Fourth Proportional to 399,952.06, 599,959.98 and 133,713.96
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Solution
The fourth proportional to 399,952.06, 599,959.98 and 133,713.96 is: 200,581.60
Step by Step Solution
- Step 1: Write the proportion equation
399,952.06 : 599,959.98 = 133,713.96 : x - Step 2: Convert to fraction form
399,952.06/599,959.98 = 133,713.96/x - Step 3: Cross multiply
399,952.06x = 599,959.98 × 133,713.96 - Step 4: Simplify right side
399,952.06x = 80,223,024,767.32 - Step 5: Solve for x
x = 80,223,024,767.32/399,952.06 - Step 6: Final answer
x = 200,581.60
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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.