Finding the Fourth Proportional to 121,355.08, 181,792.33 and 57,225.42
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Solution
The fourth proportional to 121,355.08, 181,792.33 and 57,225.42 is: 85,724.82
Step by Step Solution
- Step 1: Write the proportion equation
121,355.08 : 181,792.33 = 57,225.42 : x - Step 2: Convert to fraction form
121,355.08/181,792.33 = 57,225.42/x - Step 3: Cross multiply
121,355.08x = 181,792.33 × 57,225.42 - Step 4: Simplify right side
121,355.08x = 10,403,142,293.97 - Step 5: Solve for x
x = 10,403,142,293.97/121,355.08 - Step 6: Final answer
x = 85,724.82
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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.