Finding the Fourth Proportional to 234,135.74, 323,108.12 and 126,705.74
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Solution
The fourth proportional to 234,135.74, 323,108.12 and 126,705.74 is: 174,854.35
Step by Step Solution
- Step 1: Write the proportion equation
234,135.74 : 323,108.12 = 126,705.74 : x - Step 2: Convert to fraction form
234,135.74/323,108.12 = 126,705.74/x - Step 3: Cross multiply
234,135.74x = 323,108.12 × 126,705.74 - Step 4: Simplify right side
234,135.74x = 40,939,652,811.08 - Step 5: Solve for x
x = 40,939,652,811.08/234,135.74 - Step 6: Final answer
x = 174,854.35
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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.