Finding the Fourth Proportional to 758,740.29, 1,138,159.64 and 226,315.14
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Solution
The fourth proportional to 758,740.29, 1,138,159.64 and 226,315.14 is: 339,487.39
Step by Step Solution
- Step 1: Write the proportion equation
758,740.29 : 1,138,159.64 = 226,315.14 : x - Step 2: Convert to fraction form
758,740.29/1,138,159.64 = 226,315.14/x - Step 3: Cross multiply
758,740.29x = 1,138,159.64 × 226,315.14 - Step 4: Simplify right side
758,740.29x = 257,582,758,268.95 - Step 5: Solve for x
x = 257,582,758,268.95/758,740.29 - Step 6: Final answer
x = 339,487.39
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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.