Finding the Fourth Proportional to 175,877.10, 242,820.45 and 135,514.26
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Solution
The fourth proportional to 175,877.10, 242,820.45 and 135,514.26 is: 187,094.47
Step by Step Solution
- Step 1: Write the proportion equation
175,877.10 : 242,820.45 = 135,514.26 : x - Step 2: Convert to fraction form
175,877.10/242,820.45 = 135,514.26/x - Step 3: Cross multiply
175,877.10x = 242,820.45 × 135,514.26 - Step 4: Simplify right side
175,877.10x = 32,905,633,594.62 - Step 5: Solve for x
x = 32,905,633,594.62/175,877.10 - Step 6: Final answer
x = 187,094.47
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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.