Finding the Fourth Proportional to 236,098.32, 325,806.19 and 128,666.08
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Solution
The fourth proportional to 236,098.32, 325,806.19 and 128,666.08 is: 177,554.02
Step by Step Solution
- Step 1: Write the proportion equation
236,098.32 : 325,806.19 = 128,666.08 : x - Step 2: Convert to fraction form
236,098.32/325,806.19 = 128,666.08/x - Step 3: Cross multiply
236,098.32x = 325,806.19 × 128,666.08 - Step 4: Simplify right side
236,098.32x = 41,920,205,307.04 - Step 5: Solve for x
x = 41,920,205,307.04/236,098.32 - Step 6: Final answer
x = 177,554.02
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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.