Finding the Fourth Proportional to 239,860.08, 359,724.42 and 90,088.79
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Solution
The fourth proportional to 239,860.08, 359,724.42 and 90,088.79 is: 135,108.50
Step by Step Solution
- Step 1: Write the proportion equation
239,860.08 : 359,724.42 = 90,088.79 : x - Step 2: Convert to fraction form
239,860.08/359,724.42 = 90,088.79/x - Step 3: Cross multiply
239,860.08x = 359,724.42 × 90,088.79 - Step 4: Simplify right side
239,860.08x = 32,407,135,932.63 - Step 5: Solve for x
x = 32,407,135,932.63/239,860.08 - Step 6: Final answer
x = 135,108.50
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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.