Finding the Fourth Proportional to 228,070.21, 342,161.10 and 160,733.62
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Solution
The fourth proportional to 228,070.21, 342,161.10 and 160,733.62 is: 241,139.74
Step by Step Solution
- Step 1: Write the proportion equation
228,070.21 : 342,161.10 = 160,733.62 : x - Step 2: Convert to fraction form
228,070.21/342,161.10 = 160,733.62/x - Step 3: Cross multiply
228,070.21x = 342,161.10 × 160,733.62 - Step 4: Simplify right side
228,070.21x = 54,996,792,226.18 - Step 5: Solve for x
x = 54,996,792,226.18/228,070.21 - Step 6: Final answer
x = 241,139.74
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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.