Finding the Fourth Proportional to 111,216.24, 153,479.16 and 60,228.99
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Solution
The fourth proportional to 111,216.24, 153,479.16 and 60,228.99 is: 83,116.41
Step by Step Solution
- Step 1: Write the proportion equation
111,216.24 : 153,479.16 = 60,228.99 : x - Step 2: Convert to fraction form
111,216.24/153,479.16 = 60,228.99/x - Step 3: Cross multiply
111,216.24x = 153,479.16 × 60,228.99 - Step 4: Simplify right side
111,216.24x = 9,243,894,792.85 - Step 5: Solve for x
x = 9,243,894,792.85/111,216.24 - Step 6: Final answer
x = 83,116.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.