Finding the Fourth Proportional to 220,921.02, 304,860.15 and 125,415.18
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Solution
The fourth proportional to 220,921.02, 304,860.15 and 125,415.18 is: 173,066.78
Step by Step Solution
- Step 1: Write the proportion equation
220,921.02 : 304,860.15 = 125,415.18 : x - Step 2: Convert to fraction form
220,921.02/304,860.15 = 125,415.18/x - Step 3: Cross multiply
220,921.02x = 304,860.15 × 125,415.18 - Step 4: Simplify right side
220,921.02x = 38,234,090,587.08 - Step 5: Solve for x
x = 38,234,090,587.08/220,921.02 - Step 6: Final answer
x = 173,066.78
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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.