Finding the Fourth Proportional to 654,432.16, 979,618.37 and 354,167.99
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Solution
The fourth proportional to 654,432.16, 979,618.37 and 354,167.99 is: 530,153.45
Step by Step Solution
- Step 1: Write the proportion equation
654,432.16 : 979,618.37 = 354,167.99 : x - Step 2: Convert to fraction form
654,432.16/979,618.37 = 354,167.99/x - Step 3: Cross multiply
654,432.16x = 979,618.37 × 354,167.99 - Step 4: Simplify right side
654,432.16x = 346,949,469,069.98 - Step 5: Solve for x
x = 346,949,469,069.98/654,432.16 - Step 6: Final answer
x = 530,153.45
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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.