Finding the Fourth Proportional to 456,491.70, 684,737.55 and 246,539.70
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Solution
The fourth proportional to 456,491.70, 684,737.55 and 246,539.70 is: 369,809.55
Step by Step Solution
- Step 1: Write the proportion equation
456,491.70 : 684,737.55 = 246,539.70 : x - Step 2: Convert to fraction form
456,491.70/684,737.55 = 246,539.70/x - Step 3: Cross multiply
456,491.70x = 684,737.55 × 246,539.70 - Step 4: Simplify right side
456,491.70x = 168,814,990,155.74 - Step 5: Solve for x
x = 168,814,990,155.74/456,491.70 - Step 6: Final answer
x = 369,809.55
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Similar ratio
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1.5x scale
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.