Finding the Fourth Proportional to 376,192.74, 519,160.98 and 206,432.94
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Solution
The fourth proportional to 376,192.74, 519,160.98 and 206,432.94 is: 284,885.69
Step by Step Solution
- Step 1: Write the proportion equation
376,192.74 : 519,160.98 = 206,432.94 : x - Step 2: Convert to fraction form
376,192.74/519,160.98 = 206,432.94/x - Step 3: Cross multiply
376,192.74x = 519,160.98 × 206,432.94 - Step 4: Simplify right side
376,192.74x = 107,171,927,434.68 - Step 5: Solve for x
x = 107,171,927,434.68/376,192.74 - Step 6: Final answer
x = 284,885.69
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1.5x scale
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.