Finding the Fourth Proportional to 224,724.78, 310,118.09 and 122,750.19
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Solution
The fourth proportional to 224,724.78, 310,118.09 and 122,750.19 is: 169,394.11
Step by Step Solution
- Step 1: Write the proportion equation
224,724.78 : 310,118.09 = 122,750.19 : x - Step 2: Convert to fraction form
224,724.78/310,118.09 = 122,750.19/x - Step 3: Cross multiply
224,724.78x = 310,118.09 × 122,750.19 - Step 4: Simplify right side
224,724.78x = 38,067,053,856.19 - Step 5: Solve for x
x = 38,067,053,856.19/224,724.78 - Step 6: Final answer
x = 169,394.11
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1.5x scale
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.