Finding the Fourth Proportional to 272,671.10, 376,188.68 and 157,887.08
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Solution
The fourth proportional to 272,671.10, 376,188.68 and 157,887.08 is: 217,827.75
Step by Step Solution
- Step 1: Write the proportion equation
272,671.10 : 376,188.68 = 157,887.08 : x - Step 2: Convert to fraction form
272,671.10/376,188.68 = 157,887.08/x - Step 3: Cross multiply
272,671.10x = 376,188.68 × 157,887.08 - Step 4: Simplify right side
272,671.10x = 59,395,332,214.25 - Step 5: Solve for x
x = 59,395,332,214.25/272,671.10 - Step 6: Final answer
x = 217,827.75
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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.