Finding the Fourth Proportional to 90,277.96, 135,416.80 and 27,098.02
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Solution
The fourth proportional to 90,277.96, 135,416.80 and 27,098.02 is: 40,646.99
Step by Step Solution
- Step 1: Write the proportion equation
90,277.96 : 135,416.80 = 27,098.02 : x - Step 2: Convert to fraction form
90,277.96/135,416.80 = 27,098.02/x - Step 3: Cross multiply
90,277.96x = 135,416.80 × 27,098.02 - Step 4: Simplify right side
90,277.96x = 3,669,527,154.74 - Step 5: Solve for x
x = 3,669,527,154.74/90,277.96 - Step 6: Final answer
x = 40,646.99
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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.