Finding the Fourth Proportional to 155,394.32, 232,915.08 and 136,638.08
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Solution
The fourth proportional to 155,394.32, 232,915.08 and 136,638.08 is: 204,802.01
Step by Step Solution
- Step 1: Write the proportion equation
155,394.32 : 232,915.08 = 136,638.08 : x - Step 2: Convert to fraction form
155,394.32/232,915.08 = 136,638.08/x - Step 3: Cross multiply
155,394.32x = 232,915.08 × 136,638.08 - Step 4: Simplify right side
155,394.32x = 31,825,069,334.25 - Step 5: Solve for x
x = 31,825,069,334.25/155,394.32 - Step 6: Final answer
x = 204,802.01
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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.