Finding the Fourth Proportional to 272,430.53, 375,948.26 and 157,714.02
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Solution
The fourth proportional to 272,430.53, 375,948.26 and 157,714.02 is: 217,641.95
Step by Step Solution
- Step 1: Write the proportion equation
272,430.53 : 375,948.26 = 157,714.02 : x - Step 2: Convert to fraction form
272,430.53/375,948.26 = 157,714.02/x - Step 3: Cross multiply
272,430.53x = 375,948.26 × 157,714.02 - Step 4: Simplify right side
272,430.53x = 59,292,310,608.04 - Step 5: Solve for x
x = 59,292,310,608.04/272,430.53 - Step 6: Final answer
x = 217,641.95
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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.