Finding the Fourth Proportional to 413,657.04, 570,534.60 and 279,472.08
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Solution
The fourth proportional to 413,657.04, 570,534.60 and 279,472.08 is: 385,460.60
Step by Step Solution
- Step 1: Write the proportion equation
413,657.04 : 570,534.60 = 279,472.08 : x - Step 2: Convert to fraction form
413,657.04/570,534.60 = 279,472.08/x - Step 3: Cross multiply
413,657.04x = 570,534.60 × 279,472.08 - Step 4: Simplify right side
413,657.04x = 159,448,491,373.97 - Step 5: Solve for x
x = 159,448,491,373.97/413,657.04 - Step 6: Final answer
x = 385,460.60
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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.