Finding the Fourth Proportional to 365,899.70, 549,195.15 and 225,931.70
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Solution
The fourth proportional to 365,899.70, 549,195.15 and 225,931.70 is: 339,110.95
Step by Step Solution
- Step 1: Write the proportion equation
365,899.70 : 549,195.15 = 225,931.70 : x - Step 2: Convert to fraction form
365,899.70/549,195.15 = 225,931.70/x - Step 3: Cross multiply
365,899.70x = 549,195.15 × 225,931.70 - Step 4: Simplify right side
365,899.70x = 124,080,593,871.26 - Step 5: Solve for x
x = 124,080,593,871.26/365,899.70 - Step 6: Final answer
x = 339,110.95
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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.