Finding the Fourth Proportional to 313,479.11, 432,594.07 and 170,236.08
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Solution
The fourth proportional to 313,479.11, 432,594.07 and 170,236.08 is: 234,921.93
Step by Step Solution
- Step 1: Write the proportion equation
313,479.11 : 432,594.07 = 170,236.08 : x - Step 2: Convert to fraction form
313,479.11/432,594.07 = 170,236.08/x - Step 3: Cross multiply
313,479.11x = 432,594.07 × 170,236.08 - Step 4: Simplify right side
313,479.11x = 73,643,118,282.46 - Step 5: Solve for x
x = 73,643,118,282.46/313,479.11 - Step 6: Final answer
x = 234,921.93
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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.