Finding the Fourth Proportional to 173,429.30, 260,038.35 and 68,122.10
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Solution
The fourth proportional to 173,429.30, 260,038.35 and 68,122.10 is: 102,141.67
Step by Step Solution
- Step 1: Write the proportion equation
173,429.30 : 260,038.35 = 68,122.10 : x - Step 2: Convert to fraction form
173,429.30/260,038.35 = 68,122.10/x - Step 3: Cross multiply
173,429.30x = 260,038.35 × 68,122.10 - Step 4: Simplify right side
173,429.30x = 17,714,358,482.54 - Step 5: Solve for x
x = 17,714,358,482.54/173,429.30 - Step 6: Final answer
x = 102,141.67
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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.