Finding the Fourth Proportional to 272,544.68, 376,108.98 and 151,683.92
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Solution
The fourth proportional to 272,544.68, 376,108.98 and 151,683.92 is: 209,322.32
Step by Step Solution
- Step 1: Write the proportion equation
272,544.68 : 376,108.98 = 151,683.92 : x - Step 2: Convert to fraction form
272,544.68/376,108.98 = 151,683.92/x - Step 3: Cross multiply
272,544.68x = 376,108.98 × 151,683.92 - Step 4: Simplify right side
272,544.68x = 57,049,684,433.60 - Step 5: Solve for x
x = 57,049,684,433.60/272,544.68 - Step 6: Final answer
x = 209,322.32
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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.