Finding the Fourth Proportional to 226,203.56, 312,136.99 and 130,740.56
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Solution
The fourth proportional to 226,203.56, 312,136.99 and 130,740.56 is: 180,408.14
Step by Step Solution
- Step 1: Write the proportion equation
226,203.56 : 312,136.99 = 130,740.56 : x - Step 2: Convert to fraction form
226,203.56/312,136.99 = 130,740.56/x - Step 3: Cross multiply
226,203.56x = 312,136.99 × 130,740.56 - Step 4: Simplify right side
226,203.56x = 40,808,962,981.78 - Step 5: Solve for x
x = 40,808,962,981.78/226,203.56 - Step 6: Final answer
x = 180,408.14
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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.