Finding the Fourth Proportional to 434,465.40, 651,698.10 and 266,503.80
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Solution
The fourth proportional to 434,465.40, 651,698.10 and 266,503.80 is: 399,755.70
Step by Step Solution
- Step 1: Write the proportion equation
434,465.40 : 651,698.10 = 266,503.80 : x - Step 2: Convert to fraction form
434,465.40/651,698.10 = 266,503.80/x - Step 3: Cross multiply
434,465.40x = 651,698.10 × 266,503.80 - Step 4: Simplify right side
434,465.40x = 173,680,020,102.78 - Step 5: Solve for x
x = 173,680,020,102.78/434,465.40 - Step 6: Final answer
x = 399,755.70
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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.