Finding the Fourth Proportional to 221,400.08, 305,631.06 and 149,996.96
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Solution
The fourth proportional to 221,400.08, 305,631.06 and 149,996.96 is: 207,062.84
Step by Step Solution
- Step 1: Write the proportion equation
221,400.08 : 305,631.06 = 149,996.96 : x - Step 2: Convert to fraction form
221,400.08/305,631.06 = 149,996.96/x - Step 3: Cross multiply
221,400.08x = 305,631.06 × 149,996.96 - Step 4: Simplify right side
221,400.08x = 45,843,729,881.58 - Step 5: Solve for x
x = 45,843,729,881.58/221,400.08 - Step 6: Final answer
x = 207,062.84
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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.