Finding the Fourth Proportional to 619,188.48, 928,474.92 and 198,409.68
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Solution
The fourth proportional to 619,188.48, 928,474.92 and 198,409.68 is: 297,515.89
Step by Step Solution
- Step 1: Write the proportion equation
619,188.48 : 928,474.92 = 198,409.68 : x - Step 2: Convert to fraction form
619,188.48/928,474.92 = 198,409.68/x - Step 3: Cross multiply
619,188.48x = 928,474.92 × 198,409.68 - Step 4: Simplify right side
619,188.48x = 184,218,411,765.23 - Step 5: Solve for x
x = 184,218,411,765.23/619,188.48 - Step 6: Final answer
x = 297,515.89
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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.