Finding the Fourth Proportional to 157,301.07, 235,718.28 and 115,543.95
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Solution
The fourth proportional to 157,301.07, 235,718.28 and 115,543.95 is: 173,144.54
Step by Step Solution
- Step 1: Write the proportion equation
157,301.07 : 235,718.28 = 115,543.95 : x - Step 2: Convert to fraction form
157,301.07/235,718.28 = 115,543.95/x - Step 3: Cross multiply
157,301.07x = 235,718.28 × 115,543.95 - Step 4: Simplify right side
157,301.07x = 27,235,821,158.41 - Step 5: Solve for x
x = 27,235,821,158.41/157,301.07 - Step 6: Final answer
x = 173,144.54
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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.