Finding the Fourth Proportional to 357,917.84, 536,864.46 and 91,680.66
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Solution
The fourth proportional to 357,917.84, 536,864.46 and 91,680.66 is: 137,517.84
Step by Step Solution
- Step 1: Write the proportion equation
357,917.84 : 536,864.46 = 91,680.66 : x - Step 2: Convert to fraction form
357,917.84/536,864.46 = 91,680.66/x - Step 3: Cross multiply
357,917.84x = 536,864.46 × 91,680.66 - Step 4: Simplify right side
357,917.84x = 49,220,087,679.54 - Step 5: Solve for x
x = 49,220,087,679.54/357,917.84 - Step 6: Final answer
x = 137,517.84
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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.