Finding the Fourth Proportional to 197,454.22, 272,203.41 and 140,767.18
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Solution
The fourth proportional to 197,454.22, 272,203.41 and 140,767.18 is: 194,056.66
Step by Step Solution
- Step 1: Write the proportion equation
197,454.22 : 272,203.41 = 140,767.18 : x - Step 2: Convert to fraction form
197,454.22/272,203.41 = 140,767.18/x - Step 3: Cross multiply
197,454.22x = 272,203.41 × 140,767.18 - Step 4: Simplify right side
197,454.22x = 38,317,306,412.08 - Step 5: Solve for x
x = 38,317,306,412.08/197,454.22 - Step 6: Final answer
x = 194,056.66
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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.