Finding the Fourth Proportional to 342,537.60, 513,761.04 and 155,506.08
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Solution
The fourth proportional to 342,537.60, 513,761.04 and 155,506.08 is: 233,238.53
Step by Step Solution
- Step 1: Write the proportion equation
342,537.60 : 513,761.04 = 155,506.08 : x - Step 2: Convert to fraction form
342,537.60/513,761.04 = 155,506.08/x - Step 3: Cross multiply
342,537.60x = 513,761.04 × 155,506.08 - Step 4: Simplify right side
342,537.60x = 79,892,965,387.12 - Step 5: Solve for x
x = 79,892,965,387.12/342,537.60 - Step 6: Final answer
x = 233,238.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.