Finding the Fourth Proportional to 418,639.97, 577,705.71 and 237,364.15
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Solution
The fourth proportional to 418,639.97, 577,705.71 and 237,364.15 is: 327,552.63
Step by Step Solution
- Step 1: Write the proportion equation
418,639.97 : 577,705.71 = 237,364.15 : x - Step 2: Convert to fraction form
418,639.97/577,705.71 = 237,364.15/x - Step 3: Cross multiply
418,639.97x = 577,705.71 × 237,364.15 - Step 4: Simplify right side
418,639.97x = 137,126,623,360.03 - Step 5: Solve for x
x = 137,126,623,360.03/418,639.97 - Step 6: Final answer
x = 327,552.63
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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.