Finding the Fourth Proportional to 219,285.28, 302,620.95 and 134,385.94
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Solution
The fourth proportional to 219,285.28, 302,620.95 and 134,385.94 is: 185,457.05
Step by Step Solution
- Step 1: Write the proportion equation
219,285.28 : 302,620.95 = 134,385.94 : x - Step 2: Convert to fraction form
219,285.28/302,620.95 = 134,385.94/x - Step 3: Cross multiply
219,285.28x = 302,620.95 × 134,385.94 - Step 4: Simplify right side
219,285.28x = 40,668,000,829.44 - Step 5: Solve for x
x = 40,668,000,829.44/219,285.28 - Step 6: Final answer
x = 185,457.05
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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.