Finding the Fourth Proportional to 214,836.80, 296,202.28 and 153,656.68
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Solution
The fourth proportional to 214,836.80, 296,202.28 and 153,656.68 is: 211,851.32
Step by Step Solution
- Step 1: Write the proportion equation
214,836.80 : 296,202.28 = 153,656.68 : x - Step 2: Convert to fraction form
214,836.80/296,202.28 = 153,656.68/x - Step 3: Cross multiply
214,836.80x = 296,202.28 × 153,656.68 - Step 4: Simplify right side
214,836.80x = 45,513,458,953.23 - Step 5: Solve for x
x = 45,513,458,953.23/214,836.80 - Step 6: Final answer
x = 211,851.32
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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.