Finding the Fourth Proportional to 357,526.14, 536,288.72 and 91,286.70
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Solution
The fourth proportional to 357,526.14, 536,288.72 and 91,286.70 is: 136,929.92
Step by Step Solution
- Step 1: Write the proportion equation
357,526.14 : 536,288.72 = 91,286.70 : x - Step 2: Convert to fraction form
357,526.14/536,288.72 = 91,286.70/x - Step 3: Cross multiply
357,526.14x = 536,288.72 × 91,286.70 - Step 4: Simplify right side
357,526.14x = 48,956,027,039.59 - Step 5: Solve for x
x = 48,956,027,039.59/357,526.14 - Step 6: Final answer
x = 136,929.92
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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.