Finding the Fourth Proportional to 92,297.80, 138,352.74 and 42,343.48
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Solution
The fourth proportional to 92,297.80, 138,352.74 and 42,343.48 is: 63,472.11
Step by Step Solution
- Step 1: Write the proportion equation
92,297.80 : 138,352.74 = 42,343.48 : x - Step 2: Convert to fraction form
92,297.80/138,352.74 = 42,343.48/x - Step 3: Cross multiply
92,297.80x = 138,352.74 × 42,343.48 - Step 4: Simplify right side
92,297.80x = 5,858,336,479.14 - Step 5: Solve for x
x = 5,858,336,479.14/92,297.80 - Step 6: Final answer
x = 63,472.11
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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.