Finding the Fourth Proportional to 357,639.75, 536,460.84 and 108,321.75
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Solution
The fourth proportional to 357,639.75, 536,460.84 and 108,321.75 is: 162,482.99
Step by Step Solution
- Step 1: Write the proportion equation
357,639.75 : 536,460.84 = 108,321.75 : x - Step 2: Convert to fraction form
357,639.75/536,460.84 = 108,321.75/x - Step 3: Cross multiply
357,639.75x = 536,460.84 × 108,321.75 - Step 4: Simplify right side
357,639.75x = 58,110,376,995.27 - Step 5: Solve for x
x = 58,110,376,995.27/357,639.75 - Step 6: Final answer
x = 162,482.99
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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.