Finding the Fourth Proportional to 239,356.38, 359,117.19 and 106,330.08
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Solution
The fourth proportional to 239,356.38, 359,117.19 and 106,330.08 is: 159,531.82
Step by Step Solution
- Step 1: Write the proportion equation
239,356.38 : 359,117.19 = 106,330.08 : x - Step 2: Convert to fraction form
239,356.38/359,117.19 = 106,330.08/x - Step 3: Cross multiply
239,356.38x = 359,117.19 × 106,330.08 - Step 4: Simplify right side
239,356.38x = 38,184,959,542.08 - Step 5: Solve for x
x = 38,184,959,542.08/239,356.38 - Step 6: Final answer
x = 159,531.82
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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.