Finding the Fourth Proportional to 407,484.63, 611,088.48 and 141,182.97
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Solution
The fourth proportional to 407,484.63, 611,088.48 and 141,182.97 is: 211,726.48
Step by Step Solution
- Step 1: Write the proportion equation
407,484.63 : 611,088.48 = 141,182.97 : x - Step 2: Convert to fraction form
407,484.63/611,088.48 = 141,182.97/x - Step 3: Cross multiply
407,484.63x = 611,088.48 × 141,182.97 - Step 4: Simplify right side
407,484.63x = 86,275,286,539.19 - Step 5: Solve for x
x = 86,275,286,539.19/407,484.63 - Step 6: Final answer
x = 211,726.48
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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.