Finding the Fourth Proportional to 155,349.59, 232,862.79 and 105,433.75
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Solution
The fourth proportional to 155,349.59, 232,862.79 and 105,433.75 is: 158,040.95
Step by Step Solution
- Step 1: Write the proportion equation
155,349.59 : 232,862.79 = 105,433.75 : x - Step 2: Convert to fraction form
155,349.59/232,862.79 = 105,433.75/x - Step 3: Cross multiply
155,349.59x = 232,862.79 × 105,433.75 - Step 4: Simplify right side
155,349.59x = 24,551,596,020.85 - Step 5: Solve for x
x = 24,551,596,020.85/155,349.59 - Step 6: Final answer
x = 158,040.95
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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.