Finding the Fourth Proportional to 156,781.03, 235,121.86 and 51,575.53
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Solution
The fourth proportional to 156,781.03, 235,121.86 and 51,575.53 is: 77,346.95
Step by Step Solution
- Step 1: Write the proportion equation
156,781.03 : 235,121.86 = 51,575.53 : x - Step 2: Convert to fraction form
156,781.03/235,121.86 = 51,575.53/x - Step 3: Cross multiply
156,781.03x = 235,121.86 × 51,575.53 - Step 4: Simplify right side
156,781.03x = 12,126,534,544.09 - Step 5: Solve for x
x = 12,126,534,544.09/156,781.03 - Step 6: Final answer
x = 77,346.95
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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.