Finding the Fourth Proportional to 97,279.70, 145,919.55 and 62,287.70
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Solution
The fourth proportional to 97,279.70, 145,919.55 and 62,287.70 is: 93,431.55
Step by Step Solution
- Step 1: Write the proportion equation
97,279.70 : 145,919.55 = 62,287.70 : x - Step 2: Convert to fraction form
97,279.70/145,919.55 = 62,287.70/x - Step 3: Cross multiply
97,279.70x = 145,919.55 × 62,287.70 - Step 4: Simplify right side
97,279.70x = 9,088,993,154.54 - Step 5: Solve for x
x = 9,088,993,154.54/97,279.70 - Step 6: Final answer
x = 93,431.55
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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.