Finding the Fourth Proportional to 434,741.70, 652,112.55 and 248,117.70
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Solution
The fourth proportional to 434,741.70, 652,112.55 and 248,117.70 is: 372,176.55
Step by Step Solution
- Step 1: Write the proportion equation
434,741.70 : 652,112.55 = 248,117.70 : x - Step 2: Convert to fraction form
434,741.70/652,112.55 = 248,117.70/x - Step 3: Cross multiply
434,741.70x = 652,112.55 × 248,117.70 - Step 4: Simplify right side
434,741.70x = 161,800,666,047.14 - Step 5: Solve for x
x = 161,800,666,047.14/434,741.70 - Step 6: Final answer
x = 372,176.55
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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.