Finding the Fourth Proportional to 74,823.74, 112,216.38 and 22,221.02
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Solution
The fourth proportional to 74,823.74, 112,216.38 and 22,221.02 is: 33,325.82
Step by Step Solution
- Step 1: Write the proportion equation
74,823.74 : 112,216.38 = 22,221.02 : x - Step 2: Convert to fraction form
74,823.74/112,216.38 = 22,221.02/x - Step 3: Cross multiply
74,823.74x = 112,216.38 × 22,221.02 - Step 4: Simplify right side
74,823.74x = 2,493,562,424.31 - Step 5: Solve for x
x = 2,493,562,424.31/74,823.74 - Step 6: Final answer
x = 33,325.82
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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.