Finding the Fourth Proportional to 186,426.40, 279,442.68 and 133,807.36
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Solution
The fourth proportional to 186,426.40, 279,442.68 and 133,807.36 is: 200,569.70
Step by Step Solution
- Step 1: Write the proportion equation
186,426.40 : 279,442.68 = 133,807.36 : x - Step 2: Convert to fraction form
186,426.40/279,442.68 = 133,807.36/x - Step 3: Cross multiply
186,426.40x = 279,442.68 × 133,807.36 - Step 4: Simplify right side
186,426.40x = 37,391,487,282.12 - Step 5: Solve for x
x = 37,391,487,282.12/186,426.40 - Step 6: Final answer
x = 200,569.70
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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.