Finding the Fourth Proportional to 275,703.14, 413,260.68 and 157,119.14
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Solution
The fourth proportional to 275,703.14, 413,260.68 and 157,119.14 is: 235,511.15
Step by Step Solution
- Step 1: Write the proportion equation
275,703.14 : 413,260.68 = 157,119.14 : x - Step 2: Convert to fraction form
275,703.14/413,260.68 = 157,119.14/x - Step 3: Cross multiply
275,703.14x = 413,260.68 × 157,119.14 - Step 4: Simplify right side
275,703.14x = 64,931,164,259.76 - Step 5: Solve for x
x = 64,931,164,259.76/275,703.14 - Step 6: Final answer
x = 235,511.15
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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.