Finding the Fourth Proportional to 234,142.99, 323,118.12 and 126,712.99
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Solution
The fourth proportional to 234,142.99, 323,118.12 and 126,712.99 is: 174,864.36
Step by Step Solution
- Step 1: Write the proportion equation
234,142.99 : 323,118.12 = 126,712.99 : x - Step 2: Convert to fraction form
234,142.99/323,118.12 = 126,712.99/x - Step 3: Cross multiply
234,142.99x = 323,118.12 × 126,712.99 - Step 4: Simplify right side
234,142.99x = 40,943,263,108.38 - Step 5: Solve for x
x = 40,943,263,108.38/234,142.99 - Step 6: Final answer
x = 174,864.36
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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.