Finding the Fourth Proportional to 464,350.53, 640,811.07 and 260,446.80
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Solution
The fourth proportional to 464,350.53, 640,811.07 and 260,446.80 is: 359,420.70
Step by Step Solution
- Step 1: Write the proportion equation
464,350.53 : 640,811.07 = 260,446.80 : x - Step 2: Convert to fraction form
464,350.53/640,811.07 = 260,446.80/x - Step 3: Cross multiply
464,350.53x = 640,811.07 × 260,446.80 - Step 4: Simplify right side
464,350.53x = 166,897,192,586.08 - Step 5: Solve for x
x = 166,897,192,586.08/464,350.53 - Step 6: Final answer
x = 359,420.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.