Finding the Fourth Proportional to 476,884.49, 715,437.52 and 139,911.53
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Solution
The fourth proportional to 476,884.49, 715,437.52 and 139,911.53 is: 209,899.79
Step by Step Solution
- Step 1: Write the proportion equation
476,884.49 : 715,437.52 = 139,911.53 : x - Step 2: Convert to fraction form
476,884.49/715,437.52 = 139,911.53/x - Step 3: Cross multiply
476,884.49x = 715,437.52 × 139,911.53 - Step 4: Simplify right side
476,884.49x = 100,097,954,115.64 - Step 5: Solve for x
x = 100,097,954,115.64/476,884.49 - Step 6: Final answer
x = 209,899.79
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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.