Finding the Fourth Proportional to 492,864.99, 739,342.55 and 137,877.96
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Solution
The fourth proportional to 492,864.99, 739,342.55 and 137,877.96 is: 206,829.55
Step by Step Solution
- Step 1: Write the proportion equation
492,864.99 : 739,342.55 = 137,877.96 : x - Step 2: Convert to fraction form
492,864.99/739,342.55 = 137,877.96/x - Step 3: Cross multiply
492,864.99x = 739,342.55 × 137,877.96 - Step 4: Simplify right side
492,864.99x = 101,939,045,652.43 - Step 5: Solve for x
x = 101,939,045,652.43/492,864.99 - Step 6: Final answer
x = 206,829.55
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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.