Finding the Fourth Proportional to 188,799.84, 260,541.72 and 103,915.08
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Solution
The fourth proportional to 188,799.84, 260,541.72 and 103,915.08 is: 143,401.68
Step by Step Solution
- Step 1: Write the proportion equation
188,799.84 : 260,541.72 = 103,915.08 : x - Step 2: Convert to fraction form
188,799.84/260,541.72 = 103,915.08/x - Step 3: Cross multiply
188,799.84x = 260,541.72 × 103,915.08 - Step 4: Simplify right side
188,799.84x = 27,074,213,677.14 - Step 5: Solve for x
x = 27,074,213,677.14/188,799.84 - Step 6: Final answer
x = 143,401.68
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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.