Finding the Fourth Proportional to 616,924.40, 851,349.84 and 344,989.18
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Solution
The fourth proportional to 616,924.40, 851,349.84 and 344,989.18 is: 476,081.81
Step by Step Solution
- Step 1: Write the proportion equation
616,924.40 : 851,349.84 = 344,989.18 : x - Step 2: Convert to fraction form
616,924.40/851,349.84 = 344,989.18/x - Step 3: Cross multiply
616,924.40x = 851,349.84 × 344,989.18 - Step 4: Simplify right side
616,924.40x = 293,706,483,194.73 - Step 5: Solve for x
x = 293,706,483,194.73/616,924.40 - Step 6: Final answer
x = 476,081.81
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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.