Finding the Fourth Proportional to 146,423.31, 219,689.63 and 57,738.63
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Solution
The fourth proportional to 146,423.31, 219,689.63 and 57,738.63 is: 86,629.50
Step by Step Solution
- Step 1: Write the proportion equation
146,423.31 : 219,689.63 = 57,738.63 : x - Step 2: Convert to fraction form
146,423.31/219,689.63 = 57,738.63/x - Step 3: Cross multiply
146,423.31x = 219,689.63 × 57,738.63 - Step 4: Simplify right side
146,423.31x = 12,684,578,261.41 - Step 5: Solve for x
x = 12,684,578,261.41/146,423.31 - Step 6: Final answer
x = 86,629.50
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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.