Finding the Fourth Proportional to 395,373.96, 545,617.08 and 214,088.13
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Solution
The fourth proportional to 395,373.96, 545,617.08 and 214,088.13 is: 295,442.17
Step by Step Solution
- Step 1: Write the proportion equation
395,373.96 : 545,617.08 = 214,088.13 : x - Step 2: Convert to fraction form
395,373.96/545,617.08 = 214,088.13/x - Step 3: Cross multiply
395,373.96x = 545,617.08 × 214,088.13 - Step 4: Simplify right side
395,373.96x = 116,810,140,353.26 - Step 5: Solve for x
x = 116,810,140,353.26/395,373.96 - Step 6: Final answer
x = 295,442.17
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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.