Finding the Fourth Proportional to 272,683.11, 376,318.21 and 163,820.75
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Solution
The fourth proportional to 272,683.11, 376,318.21 and 163,820.75 is: 226,081.95
Step by Step Solution
- Step 1: Write the proportion equation
272,683.11 : 376,318.21 = 163,820.75 : x - Step 2: Convert to fraction form
272,683.11/376,318.21 = 163,820.75/x - Step 3: Cross multiply
272,683.11x = 376,318.21 × 163,820.75 - Step 4: Simplify right side
272,683.11x = 61,648,730,050.51 - Step 5: Solve for x
x = 61,648,730,050.51/272,683.11 - Step 6: Final answer
x = 226,081.95
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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.