Finding the Fourth Proportional to 313,725.69, 432,923.67 and 170,484.75
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Solution
The fourth proportional to 313,725.69, 432,923.67 and 170,484.75 is: 235,259.29
Step by Step Solution
- Step 1: Write the proportion equation
313,725.69 : 432,923.67 = 170,484.75 : x - Step 2: Convert to fraction form
313,725.69/432,923.67 = 170,484.75/x - Step 3: Cross multiply
313,725.69x = 432,923.67 × 170,484.75 - Step 4: Simplify right side
313,725.69x = 73,806,883,649.03 - Step 5: Solve for x
x = 73,806,883,649.03/313,725.69 - Step 6: Final answer
x = 235,259.29
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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.