Finding the Fourth Proportional to 417,852.29, 576,636.14 and 226,865.70
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Solution
The fourth proportional to 417,852.29, 576,636.14 and 226,865.70 is: 313,074.66
Step by Step Solution
- Step 1: Write the proportion equation
417,852.29 : 576,636.14 = 226,865.70 : x - Step 2: Convert to fraction form
417,852.29/576,636.14 = 226,865.70/x - Step 3: Cross multiply
417,852.29x = 576,636.14 × 226,865.70 - Step 4: Simplify right side
417,852.29x = 130,818,960,412.07 - Step 5: Solve for x
x = 130,818,960,412.07/417,852.29 - Step 6: Final answer
x = 313,074.66
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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.