Finding the Fourth Proportional to 324,319.49, 486,479.22 and 96,618.55
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Solution
The fourth proportional to 324,319.49, 486,479.22 and 96,618.55 is: 144,927.82
Step by Step Solution
- Step 1: Write the proportion equation
324,319.49 : 486,479.22 = 96,618.55 : x - Step 2: Convert to fraction form
324,319.49/486,479.22 = 96,618.55/x - Step 3: Cross multiply
324,319.49x = 486,479.22 × 96,618.55 - Step 4: Simplify right side
324,319.49x = 47,002,916,841.53 - Step 5: Solve for x
x = 47,002,916,841.53/324,319.49 - Step 6: Final answer
x = 144,927.82
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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.