Finding the Fourth Proportional to 219,033.84, 302,266.11 and 122,236.68
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Solution
The fourth proportional to 219,033.84, 302,266.11 and 122,236.68 is: 168,686.29
Step by Step Solution
- Step 1: Write the proportion equation
219,033.84 : 302,266.11 = 122,236.68 : x - Step 2: Convert to fraction form
219,033.84/302,266.11 = 122,236.68/x - Step 3: Cross multiply
219,033.84x = 302,266.11 × 122,236.68 - Step 4: Simplify right side
219,033.84x = 36,948,005,762.91 - Step 5: Solve for x
x = 36,948,005,762.91/219,033.84 - Step 6: Final answer
x = 168,686.29
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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.