Finding the Fourth Proportional to 327,619.87, 452,254.93 and 220,252.18
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Solution
The fourth proportional to 327,619.87, 452,254.93 and 220,252.18 is: 304,041.80
Step by Step Solution
- Step 1: Write the proportion equation
327,619.87 : 452,254.93 = 220,252.18 : x - Step 2: Convert to fraction form
327,619.87/452,254.93 = 220,252.18/x - Step 3: Cross multiply
327,619.87x = 452,254.93 × 220,252.18 - Step 4: Simplify right side
327,619.87x = 99,610,134,248.25 - Step 5: Solve for x
x = 99,610,134,248.25/327,619.87 - Step 6: Final answer
x = 304,041.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.