Finding the Fourth Proportional to 178,918.29, 268,371.29 and 45,799.71
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Solution
The fourth proportional to 178,918.29, 268,371.29 and 45,799.71 is: 68,697.99
Step by Step Solution
- Step 1: Write the proportion equation
178,918.29 : 268,371.29 = 45,799.71 : x - Step 2: Convert to fraction form
178,918.29/268,371.29 = 45,799.71/x - Step 3: Cross multiply
178,918.29x = 268,371.29 × 45,799.71 - Step 4: Simplify right side
178,918.29x = 12,291,327,254.33 - Step 5: Solve for x
x = 12,291,327,254.33/178,918.29 - Step 6: Final answer
x = 68,697.99
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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.