Finding the Fourth Proportional to 515,946.96, 773,972.28 and 191,821.68
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Solution
The fourth proportional to 515,946.96, 773,972.28 and 191,821.68 is: 287,751.79
Step by Step Solution
- Step 1: Write the proportion equation
515,946.96 : 773,972.28 = 191,821.68 : x - Step 2: Convert to fraction form
515,946.96/773,972.28 = 191,821.68/x - Step 3: Cross multiply
515,946.96x = 773,972.28 × 191,821.68 - Step 4: Simplify right side
515,946.96x = 148,464,663,023.03 - Step 5: Solve for x
x = 148,464,663,023.03/515,946.96 - Step 6: Final answer
x = 287,751.79
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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.