Finding the Fourth Proportional to 616,129.92, 850,228.84 and 344,143.68
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Solution
The fourth proportional to 616,129.92, 850,228.84 and 344,143.68 is: 474,901.27
Step by Step Solution
- Step 1: Write the proportion equation
616,129.92 : 850,228.84 = 344,143.68 : x - Step 2: Convert to fraction form
616,129.92/850,228.84 = 344,143.68/x - Step 3: Cross multiply
616,129.92x = 850,228.84 × 344,143.68 - Step 4: Simplify right side
616,129.92x = 292,600,881,839.73 - Step 5: Solve for x
x = 292,600,881,839.73/616,129.92 - Step 6: Final answer
x = 474,901.27
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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.