Finding the Fourth Proportional to 313,464.92, 432,584.70 and 170,226.20
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Solution
The fourth proportional to 313,464.92, 432,584.70 and 170,226.20 is: 234,913.85
Step by Step Solution
- Step 1: Write the proportion equation
313,464.92 : 432,584.70 = 170,226.20 : x - Step 2: Convert to fraction form
313,464.92/432,584.70 = 170,226.20/x - Step 3: Cross multiply
313,464.92x = 432,584.70 × 170,226.20 - Step 4: Simplify right side
313,464.92x = 73,637,249,659.14 - Step 5: Solve for x
x = 73,637,249,659.14/313,464.92 - Step 6: Final answer
x = 234,913.85
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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.