Finding the Fourth Proportional to 506,060.78, 698,408.34 and 279,750.02
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Solution
The fourth proportional to 506,060.78, 698,408.34 and 279,750.02 is: 386,079.61
Step by Step Solution
- Step 1: Write the proportion equation
506,060.78 : 698,408.34 = 279,750.02 : x - Step 2: Convert to fraction form
506,060.78/698,408.34 = 279,750.02/x - Step 3: Cross multiply
506,060.78x = 698,408.34 × 279,750.02 - Step 4: Simplify right side
506,060.78x = 195,379,747,083.17 - Step 5: Solve for x
x = 195,379,747,083.17/506,060.78 - Step 6: Final answer
x = 386,079.61
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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.