Finding the Fourth Proportional to 157,447.67, 236,170.62 and 39,118.95
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Solution
The fourth proportional to 157,447.67, 236,170.62 and 39,118.95 is: 58,678.21
Step by Step Solution
- Step 1: Write the proportion equation
157,447.67 : 236,170.62 = 39,118.95 : x - Step 2: Convert to fraction form
157,447.67/236,170.62 = 39,118.95/x - Step 3: Cross multiply
157,447.67x = 236,170.62 × 39,118.95 - Step 4: Simplify right side
157,447.67x = 9,238,746,675.25 - Step 5: Solve for x
x = 9,238,746,675.25/157,447.67 - Step 6: Final answer
x = 58,678.21
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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.