Finding the Fourth Proportional to 516,853.49, 775,280.29 and 161,895.19
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Solution
The fourth proportional to 516,853.49, 775,280.29 and 161,895.19 is: 242,842.80
Step by Step Solution
- Step 1: Write the proportion equation
516,853.49 : 775,280.29 = 161,895.19 : x - Step 2: Convert to fraction form
516,853.49/775,280.29 = 161,895.19/x - Step 3: Cross multiply
516,853.49x = 775,280.29 × 161,895.19 - Step 4: Simplify right side
516,853.49x = 125,514,149,852.81 - Step 5: Solve for x
x = 125,514,149,852.81/516,853.49 - Step 6: Final answer
x = 242,842.80
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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.