Finding the Fourth Proportional to 153,878.91, 230,795.22 and 48,684.21
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Solution
The fourth proportional to 153,878.91, 230,795.22 and 48,684.21 is: 73,018.99
Step by Step Solution
- Step 1: Write the proportion equation
153,878.91 : 230,795.22 = 48,684.21 : x - Step 2: Convert to fraction form
153,878.91/230,795.22 = 48,684.21/x - Step 3: Cross multiply
153,878.91x = 230,795.22 × 48,684.21 - Step 4: Simplify right side
153,878.91x = 11,236,082,957.48 - Step 5: Solve for x
x = 11,236,082,957.48/153,878.91 - Step 6: Final answer
x = 73,018.99
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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.