Finding the Fourth Proportional to 219,023.88, 302,252.34 and 122,226.70
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Solution
The fourth proportional to 219,023.88, 302,252.34 and 122,226.70 is: 168,672.50
Step by Step Solution
- Step 1: Write the proportion equation
219,023.88 : 302,252.34 = 122,226.70 : x - Step 2: Convert to fraction form
219,023.88/302,252.34 = 122,226.70/x - Step 3: Cross multiply
219,023.88x = 302,252.34 × 122,226.70 - Step 4: Simplify right side
219,023.88x = 36,943,306,085.48 - Step 5: Solve for x
x = 36,943,306,085.48/219,023.88 - Step 6: Final answer
x = 168,672.50
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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.