Finding the Fourth Proportional to 212,019.71, 292,574.84 and 116,526.48
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Solution
The fourth proportional to 212,019.71, 292,574.84 and 116,526.48 is: 160,799.75
Step by Step Solution
- Step 1: Write the proportion equation
212,019.71 : 292,574.84 = 116,526.48 : x - Step 2: Convert to fraction form
212,019.71/292,574.84 = 116,526.48/x - Step 3: Cross multiply
212,019.71x = 292,574.84 × 116,526.48 - Step 4: Simplify right side
212,019.71x = 34,092,715,659.13 - Step 5: Solve for x
x = 34,092,715,659.13/212,019.71 - Step 6: Final answer
x = 160,799.75
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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.