Finding the Fourth Proportional to 346,294.20, 477,994.86 and 203,112.12
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Solution
The fourth proportional to 346,294.20, 477,994.86 and 203,112.12 is: 280,358.58
Step by Step Solution
- Step 1: Write the proportion equation
346,294.20 : 477,994.86 = 203,112.12 : x - Step 2: Convert to fraction form
346,294.20/477,994.86 = 203,112.12/x - Step 3: Cross multiply
346,294.20x = 477,994.86 × 203,112.12 - Step 4: Simplify right side
346,294.20x = 97,086,549,363.70 - Step 5: Solve for x
x = 97,086,549,363.70/346,294.20 - Step 6: Final answer
x = 280,358.58
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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.