Finding the Fourth Proportional to 93,591.17, 140,378.86 and 40,280.99
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Solution
The fourth proportional to 93,591.17, 140,378.86 and 40,280.99 is: 60,418.09
Step by Step Solution
- Step 1: Write the proportion equation
93,591.17 : 140,378.86 = 40,280.99 : x - Step 2: Convert to fraction form
93,591.17/140,378.86 = 40,280.99/x - Step 3: Cross multiply
93,591.17x = 140,378.86 × 40,280.99 - Step 4: Simplify right side
93,591.17x = 5,654,599,438.61 - Step 5: Solve for x
x = 5,654,599,438.61/93,591.17 - Step 6: Final answer
x = 60,418.09
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1.5x scale
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.