Finding the Fourth Proportional to 220,412.86, 304,202.99 and 134,421.74
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Solution
The fourth proportional to 220,412.86, 304,202.99 and 134,421.74 is: 185,522.28
Step by Step Solution
- Step 1: Write the proportion equation
220,412.86 : 304,202.99 = 134,421.74 : x - Step 2: Convert to fraction form
220,412.86/304,202.99 = 134,421.74/x - Step 3: Cross multiply
220,412.86x = 304,202.99 × 134,421.74 - Step 4: Simplify right side
220,412.86x = 40,891,495,229.00 - Step 5: Solve for x
x = 40,891,495,229.00/220,412.86 - Step 6: Final answer
x = 185,522.28
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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.