Finding the Fourth Proportional to 74,823.84, 112,240.62 and 22,228.92
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Solution
The fourth proportional to 74,823.84, 112,240.62 and 22,228.92 is: 33,344.82
Step by Step Solution
- Step 1: Write the proportion equation
74,823.84 : 112,240.62 = 22,228.92 : x - Step 2: Convert to fraction form
74,823.84/112,240.62 = 22,228.92/x - Step 3: Cross multiply
74,823.84x = 112,240.62 × 22,228.92 - Step 4: Simplify right side
74,823.84x = 2,494,987,762.73 - Step 5: Solve for x
x = 2,494,987,762.73/74,823.84 - Step 6: Final answer
x = 33,344.82
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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.