Finding the Fourth Proportional to 146,738.60, 219,848.70 and 130,149.80
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Solution
The fourth proportional to 146,738.60, 219,848.70 and 130,149.80 is: 194,994.80
Step by Step Solution
- Step 1: Write the proportion equation
146,738.60 : 219,848.70 = 130,149.80 : x - Step 2: Convert to fraction form
146,738.60/219,848.70 = 130,149.80/x - Step 3: Cross multiply
146,738.60x = 219,848.70 × 130,149.80 - Step 4: Simplify right side
146,738.60x = 28,613,264,335.26 - Step 5: Solve for x
x = 28,613,264,335.26/146,738.60 - Step 6: Final answer
x = 194,994.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.