Finding the Fourth Proportional to 221,781.60, 332,715.60 and 95,421.60
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Solution
The fourth proportional to 221,781.60, 332,715.60 and 95,421.60 is: 143,150.99
Step by Step Solution
- Step 1: Write the proportion equation
221,781.60 : 332,715.60 = 95,421.60 : x - Step 2: Convert to fraction form
221,781.60/332,715.60 = 95,421.60/x - Step 3: Cross multiply
221,781.60x = 332,715.60 × 95,421.60 - Step 4: Simplify right side
221,781.60x = 31,748,254,896.96 - Step 5: Solve for x
x = 31,748,254,896.96/221,781.60 - Step 6: Final answer
x = 143,150.99
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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.