Finding the Fourth Proportional to 274,364.79, 411,246.12 and 141,252.13
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Solution
The fourth proportional to 274,364.79, 411,246.12 and 141,252.13 is: 211,723.20
Step by Step Solution
- Step 1: Write the proportion equation
274,364.79 : 411,246.12 = 141,252.13 : x - Step 2: Convert to fraction form
274,364.79/411,246.12 = 141,252.13/x - Step 3: Cross multiply
274,364.79x = 411,246.12 × 141,252.13 - Step 4: Simplify right side
274,364.79x = 58,089,390,404.24 - Step 5: Solve for x
x = 58,089,390,404.24/274,364.79 - Step 6: Final answer
x = 211,723.20
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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.