Finding the Fourth Proportional to 447,933.60, 671,122.80 and 290,080.80
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Solution
The fourth proportional to 447,933.60, 671,122.80 and 290,080.80 is: 434,617.63
Step by Step Solution
- Step 1: Write the proportion equation
447,933.60 : 671,122.80 = 290,080.80 : x - Step 2: Convert to fraction form
447,933.60/671,122.80 = 290,080.80/x - Step 3: Cross multiply
447,933.60x = 671,122.80 × 290,080.80 - Step 4: Simplify right side
447,933.60x = 194,679,838,722.24 - Step 5: Solve for x
x = 194,679,838,722.24/447,933.60 - Step 6: Final answer
x = 434,617.63
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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.