Finding the Fourth Proportional to 336,711.68, 502,884.08 and 305,058.48
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Solution
The fourth proportional to 336,711.68, 502,884.08 and 305,058.48 is: 455,609.54
Step by Step Solution
- Step 1: Write the proportion equation
336,711.68 : 502,884.08 = 305,058.48 : x - Step 2: Convert to fraction form
336,711.68/502,884.08 = 305,058.48/x - Step 3: Cross multiply
336,711.68x = 502,884.08 × 305,058.48 - Step 4: Simplify right side
336,711.68x = 153,409,053,061.00 - Step 5: Solve for x
x = 153,409,053,061.00/336,711.68 - Step 6: Final answer
x = 455,609.54
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.