Finding the Fourth Proportional to 480,646.62, 721,010.84 and 125,660.07
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Solution
The fourth proportional to 480,646.62, 721,010.84 and 125,660.07 is: 188,500.80
Step by Step Solution
- Step 1: Write the proportion equation
480,646.62 : 721,010.84 = 125,660.07 : x - Step 2: Convert to fraction form
480,646.62/721,010.84 = 125,660.07/x - Step 3: Cross multiply
480,646.62x = 721,010.84 × 125,660.07 - Step 4: Simplify right side
480,646.62x = 90,602,271,996.86 - Step 5: Solve for x
x = 90,602,271,996.86/480,646.62 - Step 6: Final answer
x = 188,500.80
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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.