Finding the Fourth Proportional to 621,900.28, 932,879.58 and 201,209.08
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Solution
The fourth proportional to 621,900.28, 932,879.58 and 201,209.08 is: 301,823.05
Step by Step Solution
- Step 1: Write the proportion equation
621,900.28 : 932,879.58 = 201,209.08 : x - Step 2: Convert to fraction form
621,900.28/932,879.58 = 201,209.08/x - Step 3: Cross multiply
621,900.28x = 932,879.58 × 201,209.08 - Step 4: Simplify right side
621,900.28x = 187,703,842,042.59 - Step 5: Solve for x
x = 187,703,842,042.59/621,900.28 - Step 6: Final answer
x = 301,823.05
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1.5x scale
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.