Finding the Fourth Proportional to 370,203.60, 555,305.40 and 341,335.20
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Solution
The fourth proportional to 370,203.60, 555,305.40 and 341,335.20 is: 512,002.80
Step by Step Solution
- Step 1: Write the proportion equation
370,203.60 : 555,305.40 = 341,335.20 : x - Step 2: Convert to fraction form
370,203.60/555,305.40 = 341,335.20/x - Step 3: Cross multiply
370,203.60x = 555,305.40 × 341,335.20 - Step 4: Simplify right side
370,203.60x = 189,545,279,770.08 - Step 5: Solve for x
x = 189,545,279,770.08/370,203.60 - Step 6: Final answer
x = 512,002.80
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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.