Finding the Fourth Proportional to 272,582.17, 376,163.41 and 151,720.87
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Solution
The fourth proportional to 272,582.17, 376,163.41 and 151,720.87 is: 209,374.80
Step by Step Solution
- Step 1: Write the proportion equation
272,582.17 : 376,163.41 = 151,720.87 : x - Step 2: Convert to fraction form
272,582.17/376,163.41 = 151,720.87/x - Step 3: Cross multiply
272,582.17x = 376,163.41 × 151,720.87 - Step 4: Simplify right side
272,582.17x = 57,071,837,946.55 - Step 5: Solve for x
x = 57,071,837,946.55/272,582.17 - Step 6: Final answer
x = 209,374.80
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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.