Finding the Fourth Proportional to 155,471.13, 232,773.65 and 79,404.99
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Solution
The fourth proportional to 155,471.13, 232,773.65 and 79,404.99 is: 118,886.31
Step by Step Solution
- Step 1: Write the proportion equation
155,471.13 : 232,773.65 = 79,404.99 : x - Step 2: Convert to fraction form
155,471.13/232,773.65 = 79,404.99/x - Step 3: Cross multiply
155,471.13x = 232,773.65 × 79,404.99 - Step 4: Simplify right side
155,471.13x = 18,483,389,350.51 - Step 5: Solve for x
x = 18,483,389,350.51/155,471.13 - Step 6: Final answer
x = 118,886.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.