Finding the Fourth Proportional to 150,633.84, 207,874.80 and 83,565.84
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Solution
The fourth proportional to 150,633.84, 207,874.80 and 83,565.84 is: 115,320.92
Step by Step Solution
- Step 1: Write the proportion equation
150,633.84 : 207,874.80 = 83,565.84 : x - Step 2: Convert to fraction form
150,633.84/207,874.80 = 83,565.84/x - Step 3: Cross multiply
150,633.84x = 207,874.80 × 83,565.84 - Step 4: Simplify right side
150,633.84x = 17,371,232,276.83 - Step 5: Solve for x
x = 17,371,232,276.83/150,633.84 - Step 6: Final answer
x = 115,320.92
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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.