Finding the Fourth Proportional to 484,683.21, 727,014.42 and 129,697.20
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Solution
The fourth proportional to 484,683.21, 727,014.42 and 129,697.20 is: 194,543.02
Step by Step Solution
- Step 1: Write the proportion equation
484,683.21 : 727,014.42 = 129,697.20 : x - Step 2: Convert to fraction form
484,683.21/727,014.42 = 129,697.20/x - Step 3: Cross multiply
484,683.21x = 727,014.42 × 129,697.20 - Step 4: Simplify right side
484,683.21x = 94,291,734,633.62 - Step 5: Solve for x
x = 94,291,734,633.62/484,683.21 - Step 6: Final answer
x = 194,543.02
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1.5x scale
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.