Finding the Fourth Proportional to 187,876.02, 259,279.35 and 107,329.68
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Solution
The fourth proportional to 187,876.02, 259,279.35 and 107,329.68 is: 148,120.92
Step by Step Solution
- Step 1: Write the proportion equation
187,876.02 : 259,279.35 = 107,329.68 : x - Step 2: Convert to fraction form
187,876.02/259,279.35 = 107,329.68/x - Step 3: Cross multiply
187,876.02x = 259,279.35 × 107,329.68 - Step 4: Simplify right side
187,876.02x = 27,828,369,666.11 - Step 5: Solve for x
x = 27,828,369,666.11/187,876.02 - Step 6: Final answer
x = 148,120.92
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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.