Finding the Fourth Proportional to 361,655.01, 542,587.84 and 161,928.68
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Solution
The fourth proportional to 361,655.01, 542,587.84 and 161,928.68 is: 242,940.18
Step by Step Solution
- Step 1: Write the proportion equation
361,655.01 : 542,587.84 = 161,928.68 : x - Step 2: Convert to fraction form
361,655.01/542,587.84 = 161,928.68/x - Step 3: Cross multiply
361,655.01x = 542,587.84 × 161,928.68 - Step 4: Simplify right side
361,655.01x = 87,860,532,715.25 - Step 5: Solve for x
x = 87,860,532,715.25/361,655.01 - Step 6: Final answer
x = 242,940.18
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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.