Finding the Fourth Proportional to 291,727.81, 402,582.88 and 169,244.96
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Solution
The fourth proportional to 291,727.81, 402,582.88 and 169,244.96 is: 233,557.17
Step by Step Solution
- Step 1: Write the proportion equation
291,727.81 : 402,582.88 = 169,244.96 : x - Step 2: Convert to fraction form
291,727.81/402,582.88 = 169,244.96/x - Step 3: Cross multiply
291,727.81x = 402,582.88 × 169,244.96 - Step 4: Simplify right side
291,727.81x = 68,135,120,563.15 - Step 5: Solve for x
x = 68,135,120,563.15/291,727.81 - Step 6: Final answer
x = 233,557.17
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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.