Finding the Fourth Proportional to 385,368.62, 577,304.84 and 283,982.63
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Solution
The fourth proportional to 385,368.62, 577,304.84 and 283,982.63 is: 425,422.67
Step by Step Solution
- Step 1: Write the proportion equation
385,368.62 : 577,304.84 = 283,982.63 : x - Step 2: Convert to fraction form
385,368.62/577,304.84 = 283,982.63/x - Step 3: Cross multiply
385,368.62x = 577,304.84 × 283,982.63 - Step 4: Simplify right side
385,368.62x = 163,944,544,598.36 - Step 5: Solve for x
x = 163,944,544,598.36/385,368.62 - Step 6: Final answer
x = 425,422.67
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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.