Finding the Fourth Proportional to 374,685.42, 561,901.14 and 121,903.44
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Solution
The fourth proportional to 374,685.42, 561,901.14 and 121,903.44 is: 182,813.84
Step by Step Solution
- Step 1: Write the proportion equation
374,685.42 : 561,901.14 = 121,903.44 : x - Step 2: Convert to fraction form
374,685.42/561,901.14 = 121,903.44/x - Step 3: Cross multiply
374,685.42x = 561,901.14 × 121,903.44 - Step 4: Simplify right side
374,685.42x = 68,497,681,905.92 - Step 5: Solve for x
x = 68,497,681,905.92/374,685.42 - Step 6: Final answer
x = 182,813.84
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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.