Finding the Fourth Proportional to 354,737.40, 532,106.10 and 291,751.80
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Solution
The fourth proportional to 354,737.40, 532,106.10 and 291,751.80 is: 437,627.70
Step by Step Solution
- Step 1: Write the proportion equation
354,737.40 : 532,106.10 = 291,751.80 : x - Step 2: Convert to fraction form
354,737.40/532,106.10 = 291,751.80/x - Step 3: Cross multiply
354,737.40x = 532,106.10 × 291,751.80 - Step 4: Simplify right side
354,737.40x = 155,242,912,465.98 - Step 5: Solve for x
x = 155,242,912,465.98/354,737.40 - Step 6: Final answer
x = 437,627.70
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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.