Finding the Fourth Proportional to 185,628.97, 256,168.17 and 100,746.07
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Solution
The fourth proportional to 185,628.97, 256,168.17 and 100,746.07 is: 139,029.68
Step by Step Solution
- Step 1: Write the proportion equation
185,628.97 : 256,168.17 = 100,746.07 : x - Step 2: Convert to fraction form
185,628.97/256,168.17 = 100,746.07/x - Step 3: Cross multiply
185,628.97x = 256,168.17 × 100,746.07 - Step 4: Simplify right side
185,628.97x = 25,807,935,882.86 - Step 5: Solve for x
x = 25,807,935,882.86/185,628.97 - Step 6: Final answer
x = 139,029.68
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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.