Finding the Fourth Proportional to 201,848.96, 278,564.15 and 111,204.91
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Solution
The fourth proportional to 201,848.96, 278,564.15 and 111,204.91 is: 153,469.70
Step by Step Solution
- Step 1: Write the proportion equation
201,848.96 : 278,564.15 = 111,204.91 : x - Step 2: Convert to fraction form
201,848.96/278,564.15 = 111,204.91/x - Step 3: Cross multiply
201,848.96x = 278,564.15 × 111,204.91 - Step 4: Simplify right side
201,848.96x = 30,977,699,281.13 - Step 5: Solve for x
x = 30,977,699,281.13/201,848.96 - Step 6: Final answer
x = 153,469.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.