Finding the Fourth Proportional to 339,363.74, 508,457.62 and 205,964.48
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Solution
The fourth proportional to 339,363.74, 508,457.62 and 205,964.48 is: 308,589.86
Step by Step Solution
- Step 1: Write the proportion equation
339,363.74 : 508,457.62 = 205,964.48 : x - Step 2: Convert to fraction form
339,363.74/508,457.62 = 205,964.48/x - Step 3: Cross multiply
339,363.74x = 508,457.62 × 205,964.48 - Step 4: Simplify right side
339,363.74x = 104,724,210,833.94 - Step 5: Solve for x
x = 104,724,210,833.94/339,363.74 - Step 6: Final answer
x = 308,589.86
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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.