Finding the Fourth Proportional to 477,841.96, 716,873.88 and 157,974.53
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Solution
The fourth proportional to 477,841.96, 716,873.88 and 157,974.53 is: 236,998.47
Step by Step Solution
- Step 1: Write the proportion equation
477,841.96 : 716,873.88 = 157,974.53 : x - Step 2: Convert to fraction form
477,841.96/716,873.88 = 157,974.53/x - Step 3: Cross multiply
477,841.96x = 716,873.88 × 157,974.53 - Step 4: Simplify right side
477,841.96x = 113,247,814,262.28 - Step 5: Solve for x
x = 113,247,814,262.28/477,841.96 - Step 6: Final answer
x = 236,998.47
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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.