Finding the Fourth Proportional to 147,644.74, 221,502.39 and 47,805.05
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Solution
The fourth proportional to 147,644.74, 221,502.39 and 47,805.05 is: 71,718.99
Step by Step Solution
- Step 1: Write the proportion equation
147,644.74 : 221,502.39 = 47,805.05 : x - Step 2: Convert to fraction form
147,644.74/221,502.39 = 47,805.05/x - Step 3: Cross multiply
147,644.74x = 221,502.39 × 47,805.05 - Step 4: Simplify right side
147,644.74x = 10,588,931,721.56 - Step 5: Solve for x
x = 10,588,931,721.56/147,644.74 - Step 6: Final answer
x = 71,718.99
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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.