Finding the Fourth Proportional to 357,077.11, 535,755.09 and 157,257.07
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Solution
The fourth proportional to 357,077.11, 535,755.09 and 157,257.07 is: 235,947.01
Step by Step Solution
- Step 1: Write the proportion equation
357,077.11 : 535,755.09 = 157,257.07 : x - Step 2: Convert to fraction form
357,077.11/535,755.09 = 157,257.07/x - Step 3: Cross multiply
357,077.11x = 535,755.09 × 157,257.07 - Step 4: Simplify right side
357,077.11x = 84,251,275,690.99 - Step 5: Solve for x
x = 84,251,275,690.99/357,077.11 - Step 6: Final answer
x = 235,947.01
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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.