Finding the Fourth Proportional to 403,561.76, 556,929.44 and 250,683.68
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Solution
The fourth proportional to 403,561.76, 556,929.44 and 250,683.68 is: 345,952.31
Step by Step Solution
- Step 1: Write the proportion equation
403,561.76 : 556,929.44 = 250,683.68 : x - Step 2: Convert to fraction form
403,561.76/556,929.44 = 250,683.68/x - Step 3: Cross multiply
403,561.76x = 556,929.44 × 250,683.68 - Step 4: Simplify right side
403,561.76x = 139,613,121,519.54 - Step 5: Solve for x
x = 139,613,121,519.54/403,561.76 - Step 6: Final answer
x = 345,952.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.