Finding the Fourth Proportional to 272,181.71, 375,589.47 and 151,315.64
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Solution
The fourth proportional to 272,181.71, 375,589.47 and 151,315.64 is: 208,803.75
Step by Step Solution
- Step 1: Write the proportion equation
272,181.71 : 375,589.47 = 151,315.64 : x - Step 2: Convert to fraction form
272,181.71/375,589.47 = 151,315.64/x - Step 3: Cross multiply
272,181.71x = 375,589.47 × 151,315.64 - Step 4: Simplify right side
272,181.71x = 56,832,561,128.26 - Step 5: Solve for x
x = 56,832,561,128.26/272,181.71 - Step 6: Final answer
x = 208,803.75
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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.