Finding the Fourth Proportional to 464,349.53, 640,809.69 and 260,445.80
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Solution
The fourth proportional to 464,349.53, 640,809.69 and 260,445.80 is: 359,419.32
Step by Step Solution
- Step 1: Write the proportion equation
464,349.53 : 640,809.69 = 260,445.80 : x - Step 2: Convert to fraction form
464,349.53/640,809.69 = 260,445.80/x - Step 3: Cross multiply
464,349.53x = 640,809.69 × 260,445.80 - Step 4: Simplify right side
464,349.53x = 166,896,192,359.80 - Step 5: Solve for x
x = 166,896,192,359.80/464,349.53 - Step 6: Final answer
x = 359,419.32
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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.