Finding the Fourth Proportional to 423,995.92, 585,102.18 and 233,009.08
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Solution
The fourth proportional to 423,995.92, 585,102.18 and 233,009.08 is: 321,545.83
Step by Step Solution
- Step 1: Write the proportion equation
423,995.92 : 585,102.18 = 233,009.08 : x - Step 2: Convert to fraction form
423,995.92/585,102.18 = 233,009.08/x - Step 3: Cross multiply
423,995.92x = 585,102.18 × 233,009.08 - Step 4: Simplify right side
423,995.92x = 136,334,120,667.79 - Step 5: Solve for x
x = 136,334,120,667.79/423,995.92 - Step 6: Final answer
x = 321,545.83
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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.