Finding the Fourth Proportional to 330,202.13, 455,653.14 and 194,241.20
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Solution
The fourth proportional to 330,202.13, 455,653.14 and 194,241.20 is: 268,037.68
Step by Step Solution
- Step 1: Write the proportion equation
330,202.13 : 455,653.14 = 194,241.20 : x - Step 2: Convert to fraction form
330,202.13/455,653.14 = 194,241.20/x - Step 3: Cross multiply
330,202.13x = 455,653.14 × 194,241.20 - Step 4: Simplify right side
330,202.13x = 88,506,612,697.37 - Step 5: Solve for x
x = 88,506,612,697.37/330,202.13 - Step 6: Final answer
x = 268,037.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.