Finding the Fourth Proportional to 90,240.04, 135,493.13 and 50,336.99
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Solution
The fourth proportional to 90,240.04, 135,493.13 and 50,336.99 is: 75,579.71
Step by Step Solution
- Step 1: Write the proportion equation
90,240.04 : 135,493.13 = 50,336.99 : x - Step 2: Convert to fraction form
90,240.04/135,493.13 = 50,336.99/x - Step 3: Cross multiply
90,240.04x = 135,493.13 × 50,336.99 - Step 4: Simplify right side
90,240.04x = 6,820,316,078.19 - Step 5: Solve for x
x = 6,820,316,078.19/90,240.04 - Step 6: Final answer
x = 75,579.71
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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.