Finding the Fourth Proportional to 201,500.72, 278,070.99 and 110,854.73
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Solution
The fourth proportional to 201,500.72, 278,070.99 and 110,854.73 is: 152,979.53
Step by Step Solution
- Step 1: Write the proportion equation
201,500.72 : 278,070.99 = 110,854.73 : x - Step 2: Convert to fraction form
201,500.72/278,070.99 = 110,854.73/x - Step 3: Cross multiply
201,500.72x = 278,070.99 × 110,854.73 - Step 4: Simplify right side
201,500.72x = 30,825,484,796.75 - Step 5: Solve for x
x = 30,825,484,796.75/201,500.72 - Step 6: Final answer
x = 152,979.53
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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.