Finding the Fourth Proportional to 309,304.98, 426,827.97 and 175,168.98
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Solution
The fourth proportional to 309,304.98, 426,827.97 and 175,168.98 is: 241,725.89
Step by Step Solution
- Step 1: Write the proportion equation
309,304.98 : 426,827.97 = 175,168.98 : x - Step 2: Convert to fraction form
309,304.98/426,827.97 = 175,168.98/x - Step 3: Cross multiply
309,304.98x = 426,827.97 × 175,168.98 - Step 4: Simplify right side
309,304.98x = 74,767,020,140.37 - Step 5: Solve for x
x = 74,767,020,140.37/309,304.98 - Step 6: Final answer
x = 241,725.89
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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.