Finding the Fourth Proportional to 157,199.07, 216,901.08 and 93,524.43
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Solution
The fourth proportional to 157,199.07, 216,901.08 and 93,524.43 is: 129,043.70
Step by Step Solution
- Step 1: Write the proportion equation
157,199.07 : 216,901.08 = 93,524.43 : x - Step 2: Convert to fraction form
157,199.07/216,901.08 = 93,524.43/x - Step 3: Cross multiply
157,199.07x = 216,901.08 × 93,524.43 - Step 4: Simplify right side
157,199.07x = 20,285,549,873.38 - Step 5: Solve for x
x = 20,285,549,873.38/157,199.07 - Step 6: Final answer
x = 129,043.70
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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.