Finding the Fourth Proportional to 165,537.70, 248,306.55 and 65,721.70
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Solution
The fourth proportional to 165,537.70, 248,306.55 and 65,721.70 is: 98,582.55
Step by Step Solution
- Step 1: Write the proportion equation
165,537.70 : 248,306.55 = 65,721.70 : x - Step 2: Convert to fraction form
165,537.70/248,306.55 = 65,721.70/x - Step 3: Cross multiply
165,537.70x = 248,306.55 × 65,721.70 - Step 4: Simplify right side
165,537.70x = 16,319,128,587.14 - Step 5: Solve for x
x = 16,319,128,587.14/165,537.70 - Step 6: Final answer
x = 98,582.55
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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.