Finding the Fourth Proportional to 313,323.29, 432,384.94 and 170,082.08
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Solution
The fourth proportional to 313,323.29, 432,384.94 and 170,082.08 is: 234,712.62
Step by Step Solution
- Step 1: Write the proportion equation
313,323.29 : 432,384.94 = 170,082.08 : x - Step 2: Convert to fraction form
313,323.29/432,384.94 = 170,082.08/x - Step 3: Cross multiply
313,323.29x = 432,384.94 × 170,082.08 - Step 4: Simplify right side
313,323.29x = 73,540,928,671.28 - Step 5: Solve for x
x = 73,540,928,671.28/313,323.29 - Step 6: Final answer
x = 234,712.62
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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.