Finding the Fourth Proportional to 155,686.48, 232,676.70 and 113,655.07
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Solution
The fourth proportional to 155,686.48, 232,676.70 and 113,655.07 is: 169,859.88
Step by Step Solution
- Step 1: Write the proportion equation
155,686.48 : 232,676.70 = 113,655.07 : x - Step 2: Convert to fraction form
155,686.48/232,676.70 = 113,655.07/x - Step 3: Cross multiply
155,686.48x = 232,676.70 × 113,655.07 - Step 4: Simplify right side
155,686.48x = 26,444,886,625.87 - Step 5: Solve for x
x = 26,444,886,625.87/155,686.48 - Step 6: Final answer
x = 169,859.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.