Finding the Fourth Proportional to 207,394.47, 286,220.12 and 125,746.47
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Solution
The fourth proportional to 207,394.47, 286,220.12 and 125,746.47 is: 173,539.68
Step by Step Solution
- Step 1: Write the proportion equation
207,394.47 : 286,220.12 = 125,746.47 : x - Step 2: Convert to fraction form
207,394.47/286,220.12 = 125,746.47/x - Step 3: Cross multiply
207,394.47x = 286,220.12 × 125,746.47 - Step 4: Simplify right side
207,394.47x = 35,991,169,104.24 - Step 5: Solve for x
x = 35,991,169,104.24/207,394.47 - Step 6: Final answer
x = 173,539.68
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1.5x scale
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.