Finding the Fourth Proportional to 516,856.99, 775,285.53 and 161,898.70
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Solution
The fourth proportional to 516,856.99, 775,285.53 and 161,898.70 is: 242,848.06
Step by Step Solution
- Step 1: Write the proportion equation
516,856.99 : 775,285.53 = 161,898.70 : x - Step 2: Convert to fraction form
516,856.99/775,285.53 = 161,898.70/x - Step 3: Cross multiply
516,856.99x = 775,285.53 × 161,898.70 - Step 4: Simplify right side
516,856.99x = 125,517,719,435.81 - Step 5: Solve for x
x = 125,517,719,435.81/516,856.99 - Step 6: Final answer
x = 242,848.06
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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.