Finding the Fourth Proportional to 98,372.80, 147,337.19 and 68,922.08
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Solution
The fourth proportional to 98,372.80, 147,337.19 and 68,922.08 is: 103,227.58
Step by Step Solution
- Step 1: Write the proportion equation
98,372.80 : 147,337.19 = 68,922.08 : x - Step 2: Convert to fraction form
98,372.80/147,337.19 = 68,922.08/x - Step 3: Cross multiply
98,372.80x = 147,337.19 × 68,922.08 - Step 4: Simplify right side
98,372.80x = 10,154,785,596.16 - Step 5: Solve for x
x = 10,154,785,596.16/98,372.80 - Step 6: Final answer
x = 103,227.58
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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.