Finding the Fourth Proportional to 311,036.10, 466,554.15 and 124,181.70
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Solution
The fourth proportional to 311,036.10, 466,554.15 and 124,181.70 is: 186,272.55
Step by Step Solution
- Step 1: Write the proportion equation
311,036.10 : 466,554.15 = 124,181.70 : x - Step 2: Convert to fraction form
311,036.10/466,554.15 = 124,181.70/x - Step 3: Cross multiply
311,036.10x = 466,554.15 × 124,181.70 - Step 4: Simplify right side
311,036.10x = 57,937,487,489.06 - Step 5: Solve for x
x = 57,937,487,489.06/311,036.10 - Step 6: Final answer
x = 186,272.55
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1.5x scale
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.