Finding the Fourth Proportional to 420,052.68, 629,894.70 and 153,744.20
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Solution
The fourth proportional to 420,052.68, 629,894.70 and 153,744.20 is: 230,548.84
Step by Step Solution
- Step 1: Write the proportion equation
420,052.68 : 629,894.70 = 153,744.20 : x - Step 2: Convert to fraction form
420,052.68/629,894.70 = 153,744.20/x - Step 3: Cross multiply
420,052.68x = 629,894.70 × 153,744.20 - Step 4: Simplify right side
420,052.68x = 96,842,656,735.74 - Step 5: Solve for x
x = 96,842,656,735.74/420,052.68 - Step 6: Final answer
x = 230,548.84
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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.