Finding the Fourth Proportional to 215,284.97, 322,943.85 and 65,538.06
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Solution
The fourth proportional to 215,284.97, 322,943.85 and 65,538.06 is: 98,312.08
Step by Step Solution
- Step 1: Write the proportion equation
215,284.97 : 322,943.85 = 65,538.06 : x - Step 2: Convert to fraction form
215,284.97/322,943.85 = 65,538.06/x - Step 3: Cross multiply
215,284.97x = 322,943.85 × 65,538.06 - Step 4: Simplify right side
215,284.97x = 21,165,113,417.93 - Step 5: Solve for x
x = 21,165,113,417.93/215,284.97 - Step 6: Final answer
x = 98,312.08
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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.