Finding the Fourth Proportional to 257,078.18, 354,676.65 and 167,498.66
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Solution
The fourth proportional to 257,078.18, 354,676.65 and 167,498.66 is: 231,088.70
Step by Step Solution
- Step 1: Write the proportion equation
257,078.18 : 354,676.65 = 167,498.66 : x - Step 2: Convert to fraction form
257,078.18/354,676.65 = 167,498.66/x - Step 3: Cross multiply
257,078.18x = 354,676.65 × 167,498.66 - Step 4: Simplify right side
257,078.18x = 59,407,863,608.29 - Step 5: Solve for x
x = 59,407,863,608.29/257,078.18 - Step 6: Final answer
x = 231,088.70
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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.