Finding the Fourth Proportional to 832,640.12, 1,248,963.38 and 201,552.92
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Solution
The fourth proportional to 832,640.12, 1,248,963.38 and 201,552.92 is: 302,330.15
Step by Step Solution
- Step 1: Write the proportion equation
832,640.12 : 1,248,963.38 = 201,552.92 : x - Step 2: Convert to fraction form
832,640.12/1,248,963.38 = 201,552.92/x - Step 3: Cross multiply
832,640.12x = 1,248,963.38 × 201,552.92 - Step 4: Simplify right side
832,640.12x = 251,732,216,212.07 - Step 5: Solve for x
x = 251,732,216,212.07/832,640.12 - Step 6: Final answer
x = 302,330.15
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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.