Finding the Fourth Proportional to 346,817.75, 520,226.76 and 97,499.75
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Solution
The fourth proportional to 346,817.75, 520,226.76 and 97,499.75 is: 146,249.66
Step by Step Solution
- Step 1: Write the proportion equation
346,817.75 : 520,226.76 = 97,499.75 : x - Step 2: Convert to fraction form
346,817.75/520,226.76 = 97,499.75/x - Step 3: Cross multiply
346,817.75x = 520,226.76 × 97,499.75 - Step 4: Simplify right side
346,817.75x = 50,721,979,043.31 - Step 5: Solve for x
x = 50,721,979,043.31/346,817.75 - Step 6: Final answer
x = 146,249.66
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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.