Finding the Fourth Proportional to 386,805.44, 577,560.97 and 346,564.64
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Solution
The fourth proportional to 386,805.44, 577,560.97 and 346,564.64 is: 517,475.17
Step by Step Solution
- Step 1: Write the proportion equation
386,805.44 : 577,560.97 = 346,564.64 : x - Step 2: Convert to fraction form
386,805.44/577,560.97 = 346,564.64/x - Step 3: Cross multiply
386,805.44x = 577,560.97 × 346,564.64 - Step 4: Simplify right side
386,805.44x = 200,162,209,646.10 - Step 5: Solve for x
x = 200,162,209,646.10/386,805.44 - Step 6: Final answer
x = 517,475.17
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.