Finding the Fourth Proportional to 315,768.24, 435,755.07 and 172,525.20
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Solution
The fourth proportional to 315,768.24, 435,755.07 and 172,525.20 is: 238,081.99
Step by Step Solution
- Step 1: Write the proportion equation
315,768.24 : 435,755.07 = 172,525.20 : x - Step 2: Convert to fraction form
315,768.24/435,755.07 = 172,525.20/x - Step 3: Cross multiply
315,768.24x = 435,755.07 × 172,525.20 - Step 4: Simplify right side
315,768.24x = 75,178,730,602.76 - Step 5: Solve for x
x = 75,178,730,602.76/315,768.24 - Step 6: Final answer
x = 238,081.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.