Finding the Fourth Proportional to 307,162.67, 423,883.53 and 171,195.05
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Solution
The fourth proportional to 307,162.67, 423,883.53 and 171,195.05 is: 236,248.64
Step by Step Solution
- Step 1: Write the proportion equation
307,162.67 : 423,883.53 = 171,195.05 : x - Step 2: Convert to fraction form
307,162.67/423,883.53 = 171,195.05/x - Step 3: Cross multiply
307,162.67x = 423,883.53 × 171,195.05 - Step 4: Simplify right side
307,162.67x = 72,566,763,172.24 - Step 5: Solve for x
x = 72,566,763,172.24/307,162.67 - Step 6: Final answer
x = 236,248.64
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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.