Finding the Fourth Proportional to 506,204.41, 698,532.09 and 279,836.41
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Solution
The fourth proportional to 506,204.41, 698,532.09 and 279,836.41 is: 386,157.66
Step by Step Solution
- Step 1: Write the proportion equation
506,204.41 : 698,532.09 = 279,836.41 : x - Step 2: Convert to fraction form
506,204.41/698,532.09 = 279,836.41/x - Step 3: Cross multiply
506,204.41x = 698,532.09 × 279,836.41 - Step 4: Simplify right side
506,204.41x = 195,474,712,335.40 - Step 5: Solve for x
x = 195,474,712,335.40/506,204.41 - Step 6: Final answer
x = 386,157.66
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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.