Finding the Fourth Proportional to 255,113.70, 382,816.35 and 97,455.30
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Solution
The fourth proportional to 255,113.70, 382,816.35 and 97,455.30 is: 146,238.65
Step by Step Solution
- Step 1: Write the proportion equation
255,113.70 : 382,816.35 = 97,455.30 : x - Step 2: Convert to fraction form
255,113.70/382,816.35 = 97,455.30/x - Step 3: Cross multiply
255,113.70x = 382,816.35 × 97,455.30 - Step 4: Simplify right side
255,113.70x = 37,307,482,234.16 - Step 5: Solve for x
x = 37,307,482,234.16/255,113.70 - Step 6: Final answer
x = 146,238.65
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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.