Finding the Fourth Proportional to 434,545.80, 651,818.70 and 268,657.80
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Solution
The fourth proportional to 434,545.80, 651,818.70 and 268,657.80 is: 402,986.70
Step by Step Solution
- Step 1: Write the proportion equation
434,545.80 : 651,818.70 = 268,657.80 : x - Step 2: Convert to fraction form
434,545.80/651,818.70 = 268,657.80/x - Step 3: Cross multiply
434,545.80x = 651,818.70 × 268,657.80 - Step 4: Simplify right side
434,545.80x = 175,116,177,940.86 - Step 5: Solve for x
x = 175,116,177,940.86/434,545.80 - Step 6: Final answer
x = 402,986.70
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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.