Finding the Fourth Proportional to 221,398.08, 305,628.30 and 149,994.96
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Solution
The fourth proportional to 221,398.08, 305,628.30 and 149,994.96 is: 207,060.08
Step by Step Solution
- Step 1: Write the proportion equation
221,398.08 : 305,628.30 = 149,994.96 : x - Step 2: Convert to fraction form
221,398.08/305,628.30 = 149,994.96/x - Step 3: Cross multiply
221,398.08x = 305,628.30 × 149,994.96 - Step 4: Simplify right side
221,398.08x = 45,842,704,633.37 - Step 5: Solve for x
x = 45,842,704,633.37/221,398.08 - Step 6: Final answer
x = 207,060.08
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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.