Finding the Fourth Proportional to 203,488.36, 280,490.38 and 160,397.98
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Solution
The fourth proportional to 203,488.36, 280,490.38 and 160,397.98 is: 221,094.17
Step by Step Solution
- Step 1: Write the proportion equation
203,488.36 : 280,490.38 = 160,397.98 : x - Step 2: Convert to fraction form
203,488.36/280,490.38 = 160,397.98/x - Step 3: Cross multiply
203,488.36x = 280,490.38 × 160,397.98 - Step 4: Simplify right side
203,488.36x = 44,990,089,259.21 - Step 5: Solve for x
x = 44,990,089,259.21/203,488.36 - Step 6: Final answer
x = 221,094.17
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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.