Finding the Fourth Proportional to 187,877.52, 259,281.42 and 107,331.18
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Solution
The fourth proportional to 187,877.52, 259,281.42 and 107,331.18 is: 148,122.99
Step by Step Solution
- Step 1: Write the proportion equation
187,877.52 : 259,281.42 = 107,331.18 : x - Step 2: Convert to fraction form
187,877.52/259,281.42 = 107,331.18/x - Step 3: Cross multiply
187,877.52x = 259,281.42 × 107,331.18 - Step 4: Simplify right side
187,877.52x = 27,828,980,760.68 - Step 5: Solve for x
x = 27,828,980,760.68/187,877.52 - Step 6: Final answer
x = 148,122.99
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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.