Finding the Fourth Proportional to 129,175.84, 193,482.48 and 62,475.28
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Solution
The fourth proportional to 129,175.84, 193,482.48 and 62,475.28 is: 93,576.88
Step by Step Solution
- Step 1: Write the proportion equation
129,175.84 : 193,482.48 = 62,475.28 : x - Step 2: Convert to fraction form
129,175.84/193,482.48 = 62,475.28/x - Step 3: Cross multiply
129,175.84x = 193,482.48 × 62,475.28 - Step 4: Simplify right side
129,175.84x = 12,087,872,113.09 - Step 5: Solve for x
x = 12,087,872,113.09/129,175.84 - Step 6: Final answer
x = 93,576.88
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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.