Finding the Fourth Proportional to 323,132.05, 445,631.93 and 202,284.34
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Solution
The fourth proportional to 323,132.05, 445,631.93 and 202,284.34 is: 278,970.65
Step by Step Solution
- Step 1: Write the proportion equation
323,132.05 : 445,631.93 = 202,284.34 : x - Step 2: Convert to fraction form
323,132.05/445,631.93 = 202,284.34/x - Step 3: Cross multiply
323,132.05x = 445,631.93 × 202,284.34 - Step 4: Simplify right side
323,132.05x = 90,144,359,476.04 - Step 5: Solve for x
x = 90,144,359,476.04/323,132.05 - Step 6: Final answer
x = 278,970.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.