Finding the Fourth Proportional to 403,046.64, 556,240.68 and 221,793.84
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Solution
The fourth proportional to 403,046.64, 556,240.68 and 221,793.84 is: 306,095.48
Step by Step Solution
- Step 1: Write the proportion equation
403,046.64 : 556,240.68 = 221,793.84 : x - Step 2: Convert to fraction form
403,046.64/556,240.68 = 221,793.84/x - Step 3: Cross multiply
403,046.64x = 556,240.68 × 221,793.84 - Step 4: Simplify right side
403,046.64x = 123,370,756,381.41 - Step 5: Solve for x
x = 123,370,756,381.41/403,046.64 - Step 6: Final answer
x = 306,095.48
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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.