Finding the Fourth Proportional to 414,122.18, 621,197.18 and 114,577.70
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Solution
The fourth proportional to 414,122.18, 621,197.18 and 114,577.70 is: 171,870.40
Step by Step Solution
- Step 1: Write the proportion equation
414,122.18 : 621,197.18 = 114,577.70 : x - Step 2: Convert to fraction form
414,122.18/621,197.18 = 114,577.70/x - Step 3: Cross multiply
414,122.18x = 621,197.18 × 114,577.70 - Step 4: Simplify right side
414,122.18x = 71,175,343,558.00 - Step 5: Solve for x
x = 71,175,343,558.00/414,122.18 - Step 6: Final answer
x = 171,870.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.