Finding the Fourth Proportional to 149,518.31, 224,315.26 and 49,678.99
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Solution
The fourth proportional to 149,518.31, 224,315.26 and 49,678.99 is: 74,531.04
Step by Step Solution
- Step 1: Write the proportion equation
149,518.31 : 224,315.26 = 49,678.99 : x - Step 2: Convert to fraction form
149,518.31/224,315.26 = 49,678.99/x - Step 3: Cross multiply
149,518.31x = 224,315.26 × 49,678.99 - Step 4: Simplify right side
149,518.31x = 11,143,754,873.40 - Step 5: Solve for x
x = 11,143,754,873.40/149,518.31 - Step 6: Final answer
x = 74,531.04
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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.