Finding the Fourth Proportional to 309,484.92, 464,361.02 and 167,430.26
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Solution
The fourth proportional to 309,484.92, 464,361.02 and 167,430.26 is: 251,217.68
Step by Step Solution
- Step 1: Write the proportion equation
309,484.92 : 464,361.02 = 167,430.26 : x - Step 2: Convert to fraction form
309,484.92/464,361.02 = 167,430.26/x - Step 3: Cross multiply
309,484.92x = 464,361.02 × 167,430.26 - Step 4: Simplify right side
309,484.92x = 77,748,083,153.51 - Step 5: Solve for x
x = 77,748,083,153.51/309,484.92 - Step 6: Final answer
x = 251,217.68
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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.