Finding the Fourth Proportional to 812,158.94, 1,218,235.07 and 204,948.62
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Solution
The fourth proportional to 812,158.94, 1,218,235.07 and 204,948.62 is: 307,422.08
Step by Step Solution
- Step 1: Write the proportion equation
812,158.94 : 1,218,235.07 = 204,948.62 : x - Step 2: Convert to fraction form
812,158.94/1,218,235.07 = 204,948.62/x - Step 3: Cross multiply
812,158.94x = 1,218,235.07 × 204,948.62 - Step 4: Simplify right side
812,158.94x = 249,675,589,316.19 - Step 5: Solve for x
x = 249,675,589,316.19/812,158.94 - Step 6: Final answer
x = 307,422.08
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1.5x scale
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.