Finding the Fourth Proportional to 386,803.44, 577,557.99 and 346,562.64
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Solution
The fourth proportional to 386,803.44, 577,557.99 and 346,562.64 is: 517,472.19
Step by Step Solution
- Step 1: Write the proportion equation
386,803.44 : 577,557.99 = 346,562.64 : x - Step 2: Convert to fraction form
386,803.44/577,557.99 = 346,562.64/x - Step 3: Cross multiply
386,803.44x = 577,557.99 × 346,562.64 - Step 4: Simplify right side
386,803.44x = 200,160,021,767.49 - Step 5: Solve for x
x = 200,160,021,767.49/386,803.44 - Step 6: Final answer
x = 517,472.19
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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.