Finding the Fourth Proportional to 374,122.79, 561,267.11 and 107,862.52
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Solution
The fourth proportional to 374,122.79, 561,267.11 and 107,862.52 is: 161,817.69
Step by Step Solution
- Step 1: Write the proportion equation
374,122.79 : 561,267.11 = 107,862.52 : x - Step 2: Convert to fraction form
374,122.79/561,267.11 = 107,862.52/x - Step 3: Cross multiply
374,122.79x = 561,267.11 × 107,862.52 - Step 4: Simplify right side
374,122.79x = 60,539,684,877.72 - Step 5: Solve for x
x = 60,539,684,877.72/374,122.79 - Step 6: Final answer
x = 161,817.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.