Finding the Fourth Proportional to 365,220.40, 548,393.80 and 199,332.40
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Solution
The fourth proportional to 365,220.40, 548,393.80 and 199,332.40 is: 299,305.99
Step by Step Solution
- Step 1: Write the proportion equation
365,220.40 : 548,393.80 = 199,332.40 : x - Step 2: Convert to fraction form
365,220.40/548,393.80 = 199,332.40/x - Step 3: Cross multiply
365,220.40x = 548,393.80 × 199,332.40 - Step 4: Simplify right side
365,220.40x = 109,312,652,299.12 - Step 5: Solve for x
x = 109,312,652,299.12/365,220.40 - Step 6: Final answer
x = 299,305.99
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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.