Finding the Fourth Proportional to 146,748.60, 219,863.70 and 130,159.80
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Solution
The fourth proportional to 146,748.60, 219,863.70 and 130,159.80 is: 195,009.80
Step by Step Solution
- Step 1: Write the proportion equation
146,748.60 : 219,863.70 = 130,159.80 : x - Step 2: Convert to fraction form
146,748.60/219,863.70 = 130,159.80/x - Step 3: Cross multiply
146,748.60x = 219,863.70 × 130,159.80 - Step 4: Simplify right side
146,748.60x = 28,617,415,219.26 - Step 5: Solve for x
x = 28,617,415,219.26/146,748.60 - Step 6: Final answer
x = 195,009.80
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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.