Finding the Fourth Proportional to 457,720.92, 686,502.99 and 120,765.06
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Solution
The fourth proportional to 457,720.92, 686,502.99 and 120,765.06 is: 181,126.91
Step by Step Solution
- Step 1: Write the proportion equation
457,720.92 : 686,502.99 = 120,765.06 : x - Step 2: Convert to fraction form
457,720.92/686,502.99 = 120,765.06/x - Step 3: Cross multiply
457,720.92x = 686,502.99 × 120,765.06 - Step 4: Simplify right side
457,720.92x = 82,905,574,777.53 - Step 5: Solve for x
x = 82,905,574,777.53/457,720.92 - Step 6: Final answer
x = 181,126.91
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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.