Finding the Fourth Proportional to 476,698.26, 715,053.41 and 139,745.68
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Solution
The fourth proportional to 476,698.26, 715,053.41 and 139,745.68 is: 209,620.28
Step by Step Solution
- Step 1: Write the proportion equation
476,698.26 : 715,053.41 = 139,745.68 : x - Step 2: Convert to fraction form
476,698.26/715,053.41 = 139,745.68/x - Step 3: Cross multiply
476,698.26x = 715,053.41 × 139,745.68 - Step 4: Simplify right side
476,698.26x = 99,925,622,530.41 - Step 5: Solve for x
x = 99,925,622,530.41/476,698.26 - Step 6: Final answer
x = 209,620.28
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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.