Finding the Fourth Proportional to 272,111.13, 375,514.74 and 151,263.63
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Solution
The fourth proportional to 272,111.13, 375,514.74 and 151,263.63 is: 208,744.58
Step by Step Solution
- Step 1: Write the proportion equation
272,111.13 : 375,514.74 = 151,263.63 : x - Step 2: Convert to fraction form
272,111.13/375,514.74 = 151,263.63/x - Step 3: Cross multiply
272,111.13x = 375,514.74 × 151,263.63 - Step 4: Simplify right side
272,111.13x = 56,801,722,690.91 - Step 5: Solve for x
x = 56,801,722,690.91/272,111.13 - Step 6: Final answer
x = 208,744.58
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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.