Finding the Fourth Proportional to 106,341.20, 146,748.84 and 58,598.96
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Solution
The fourth proportional to 106,341.20, 146,748.84 and 58,598.96 is: 80,865.45
Step by Step Solution
- Step 1: Write the proportion equation
106,341.20 : 146,748.84 = 58,598.96 : x - Step 2: Convert to fraction form
106,341.20/146,748.84 = 58,598.96/x - Step 3: Cross multiply
106,341.20x = 146,748.84 × 58,598.96 - Step 4: Simplify right side
106,341.20x = 8,599,329,405.21 - Step 5: Solve for x
x = 8,599,329,405.21/106,341.20 - Step 6: Final answer
x = 80,865.45
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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.