Finding the Fourth Proportional to 247,039.13, 340,915.19 and 133,862.09
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Solution
The fourth proportional to 247,039.13, 340,915.19 and 133,862.09 is: 184,730.33
Step by Step Solution
- Step 1: Write the proportion equation
247,039.13 : 340,915.19 = 133,862.09 : x - Step 2: Convert to fraction form
247,039.13/340,915.19 = 133,862.09/x - Step 3: Cross multiply
247,039.13x = 340,915.19 × 133,862.09 - Step 4: Simplify right side
247,039.13x = 45,635,619,846.15 - Step 5: Solve for x
x = 45,635,619,846.15/247,039.13 - Step 6: Final answer
x = 184,730.33
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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.