Finding the Fourth Proportional to 374,124.79, 561,270.11 and 107,864.53
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Solution
The fourth proportional to 374,124.79, 561,270.11 and 107,864.53 is: 161,820.70
Step by Step Solution
- Step 1: Write the proportion equation
374,124.79 : 561,270.11 = 107,864.53 : x - Step 2: Convert to fraction form
374,124.79/561,270.11 = 107,864.53/x - Step 3: Cross multiply
374,124.79x = 561,270.11 × 107,864.53 - Step 4: Simplify right side
374,124.79x = 60,541,136,618.20 - Step 5: Solve for x
x = 60,541,136,618.20/374,124.79 - Step 6: Final answer
x = 161,820.70
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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.