Finding the Fourth Proportional to 471,640.06, 706,987.32 and 219,098.08
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Solution
The fourth proportional to 471,640.06, 706,987.32 and 219,098.08 is: 328,427.50
Step by Step Solution
- Step 1: Write the proportion equation
471,640.06 : 706,987.32 = 219,098.08 : x - Step 2: Convert to fraction form
471,640.06/706,987.32 = 219,098.08/x - Step 3: Cross multiply
471,640.06x = 706,987.32 × 219,098.08 - Step 4: Simplify right side
471,640.06x = 154,899,564,396.35 - Step 5: Solve for x
x = 154,899,564,396.35/471,640.06 - Step 6: Final answer
x = 328,427.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.