Finding the Fourth Proportional to 656,339.40, 984,509.10 and 235,657.80
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Solution
The fourth proportional to 656,339.40, 984,509.10 and 235,657.80 is: 353,486.70
Step by Step Solution
- Step 1: Write the proportion equation
656,339.40 : 984,509.10 = 235,657.80 : x - Step 2: Convert to fraction form
656,339.40/984,509.10 = 235,657.80/x - Step 3: Cross multiply
656,339.40x = 984,509.10 × 235,657.80 - Step 4: Simplify right side
656,339.40x = 232,007,248,585.98 - Step 5: Solve for x
x = 232,007,248,585.98/656,339.40 - Step 6: Final answer
x = 353,486.70
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Similar ratio
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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.