Finding the Fourth Proportional to 207,024.48, 285,603.84 and 131,532.48
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Solution
The fourth proportional to 207,024.48, 285,603.84 and 131,532.48 is: 181,457.68
Step by Step Solution
- Step 1: Write the proportion equation
207,024.48 : 285,603.84 = 131,532.48 : x - Step 2: Convert to fraction form
207,024.48/285,603.84 = 131,532.48/x - Step 3: Cross multiply
207,024.48x = 285,603.84 × 131,532.48 - Step 4: Simplify right side
207,024.48x = 37,566,181,372.72 - Step 5: Solve for x
x = 37,566,181,372.72/207,024.48 - Step 6: Final answer
x = 181,457.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.