Finding the Fourth Proportional to 403,305.40, 604,958.10 and 166,817.80
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Solution
The fourth proportional to 403,305.40, 604,958.10 and 166,817.80 is: 250,226.70
Step by Step Solution
- Step 1: Write the proportion equation
403,305.40 : 604,958.10 = 166,817.80 : x - Step 2: Convert to fraction form
403,305.40/604,958.10 = 166,817.80/x - Step 3: Cross multiply
403,305.40x = 604,958.10 × 166,817.80 - Step 4: Simplify right side
403,305.40x = 100,917,779,334.18 - Step 5: Solve for x
x = 100,917,779,334.18/403,305.40 - Step 6: Final answer
x = 250,226.70
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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.