Finding the Fourth Proportional to 526,470.48, 789,711.84 and 147,368.70
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Solution
The fourth proportional to 526,470.48, 789,711.84 and 147,368.70 is: 221,054.76
Step by Step Solution
- Step 1: Write the proportion equation
526,470.48 : 789,711.84 = 147,368.70 : x - Step 2: Convert to fraction form
526,470.48/789,711.84 = 147,368.70/x - Step 3: Cross multiply
526,470.48x = 789,711.84 × 147,368.70 - Step 4: Simplify right side
526,470.48x = 116,378,807,235.41 - Step 5: Solve for x
x = 116,378,807,235.41/526,470.48 - Step 6: Final answer
x = 221,054.76
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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.