Finding the Fourth Proportional to 522,280.81, 783,439.77 and 167,248.70
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Solution
The fourth proportional to 522,280.81, 783,439.77 and 167,248.70 is: 250,878.99
Step by Step Solution
- Step 1: Write the proportion equation
522,280.81 : 783,439.77 = 167,248.70 : x - Step 2: Convert to fraction form
522,280.81/783,439.77 = 167,248.70/x - Step 3: Cross multiply
522,280.81x = 783,439.77 × 167,248.70 - Step 4: Simplify right side
522,280.81x = 131,029,279,143.60 - Step 5: Solve for x
x = 131,029,279,143.60/522,280.81 - Step 6: Final answer
x = 250,878.99
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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.