Finding the Fourth Proportional to 272,444.09, 375,974.71 and 151,590.47
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Solution
The fourth proportional to 272,444.09, 375,974.71 and 151,590.47 is: 209,195.88
Step by Step Solution
- Step 1: Write the proportion equation
272,444.09 : 375,974.71 = 151,590.47 : x - Step 2: Convert to fraction form
272,444.09/375,974.71 = 151,590.47/x - Step 3: Cross multiply
272,444.09x = 375,974.71 × 151,590.47 - Step 4: Simplify right side
272,444.09x = 56,994,180,738.16 - Step 5: Solve for x
x = 56,994,180,738.16/272,444.09 - Step 6: Final answer
x = 209,195.88
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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.