Finding the Fourth Proportional to 342,861.80, 514,292.70 and 93,543.80
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Solution
The fourth proportional to 342,861.80, 514,292.70 and 93,543.80 is: 140,315.70
Step by Step Solution
- Step 1: Write the proportion equation
342,861.80 : 514,292.70 = 93,543.80 : x - Step 2: Convert to fraction form
342,861.80/514,292.70 = 93,543.80/x - Step 3: Cross multiply
342,861.80x = 514,292.70 × 93,543.80 - Step 4: Simplify right side
342,861.80x = 48,108,893,470.26 - Step 5: Solve for x
x = 48,108,893,470.26/342,861.80 - Step 6: Final answer
x = 140,315.70
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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.