Finding the Fourth Proportional to 331,534.74, 497,301.66 and 153,944.64
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Solution
The fourth proportional to 331,534.74, 497,301.66 and 153,944.64 is: 230,916.75
Step by Step Solution
- Step 1: Write the proportion equation
331,534.74 : 497,301.66 = 153,944.64 : x - Step 2: Convert to fraction form
331,534.74/497,301.66 = 153,944.64/x - Step 3: Cross multiply
331,534.74x = 497,301.66 × 153,944.64 - Step 4: Simplify right side
331,534.74x = 76,556,925,020.10 - Step 5: Solve for x
x = 76,556,925,020.10/331,534.74 - Step 6: Final answer
x = 230,916.75
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1.5x scale
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.