Finding the Fourth Proportional to 313,276.23, 432,309.62 and 170,033.21
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Solution
The fourth proportional to 313,276.23, 432,309.62 and 170,033.21 is: 234,639.54
Step by Step Solution
- Step 1: Write the proportion equation
313,276.23 : 432,309.62 = 170,033.21 : x - Step 2: Convert to fraction form
313,276.23/432,309.62 = 170,033.21/x - Step 3: Cross multiply
313,276.23x = 432,309.62 × 170,033.21 - Step 4: Simplify right side
313,276.23x = 73,506,990,896.62 - Step 5: Solve for x
x = 73,506,990,896.62/313,276.23 - Step 6: Final answer
x = 234,639.54
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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.