Finding the Fourth Proportional to 369,358.84, 509,515.50 and 247,062.52
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Solution
The fourth proportional to 369,358.84, 509,515.50 and 247,062.52 is: 340,812.70
Step by Step Solution
- Step 1: Write the proportion equation
369,358.84 : 509,515.50 = 247,062.52 : x - Step 2: Convert to fraction form
369,358.84/509,515.50 = 247,062.52/x - Step 3: Cross multiply
369,358.84x = 509,515.50 × 247,062.52 - Step 4: Simplify right side
369,358.84x = 125,882,183,409.06 - Step 5: Solve for x
x = 125,882,183,409.06/369,358.84 - Step 6: Final answer
x = 340,812.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.