Finding the Fourth Proportional to 417,385.98, 575,988.57 and 226,396.62
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Solution
The fourth proportional to 417,385.98, 575,988.57 and 226,396.62 is: 312,425.12
Step by Step Solution
- Step 1: Write the proportion equation
417,385.98 : 575,988.57 = 226,396.62 : x - Step 2: Convert to fraction form
417,385.98/575,988.57 = 226,396.62/x - Step 3: Cross multiply
417,385.98x = 575,988.57 × 226,396.62 - Step 4: Simplify right side
417,385.98x = 130,401,865,406.63 - Step 5: Solve for x
x = 130,401,865,406.63/417,385.98 - Step 6: Final answer
x = 312,425.12
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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.