Finding the Fourth Proportional to 219,082.40, 302,332.95 and 122,285.41
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Solution
The fourth proportional to 219,082.40, 302,332.95 and 122,285.41 is: 168,753.45
Step by Step Solution
- Step 1: Write the proportion equation
219,082.40 : 302,332.95 = 122,285.41 : x - Step 2: Convert to fraction form
219,082.40/302,332.95 = 122,285.41/x - Step 3: Cross multiply
219,082.40x = 302,332.95 × 122,285.41 - Step 4: Simplify right side
219,082.40x = 36,970,909,052.97 - Step 5: Solve for x
x = 36,970,909,052.97/219,082.40 - Step 6: Final answer
x = 168,753.45
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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.