Finding the Fourth Proportional to 613,723.87, 920,684.99 and 181,485.19
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Solution
The fourth proportional to 613,723.87, 920,684.99 and 181,485.19 is: 272,257.11
Step by Step Solution
- Step 1: Write the proportion equation
613,723.87 : 920,684.99 = 181,485.19 : x - Step 2: Convert to fraction form
613,723.87/920,684.99 = 181,485.19/x - Step 3: Cross multiply
613,723.87x = 920,684.99 × 181,485.19 - Step 4: Simplify right side
613,723.87x = 167,090,689,432.87 - Step 5: Solve for x
x = 167,090,689,432.87/613,723.87 - Step 6: Final answer
x = 272,257.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.