Finding the Fourth Proportional to 403,868.19, 605,874.30 and 134,012.52
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Solution
The fourth proportional to 403,868.19, 605,874.30 and 134,012.52 is: 201,042.68
Step by Step Solution
- Step 1: Write the proportion equation
403,868.19 : 605,874.30 = 134,012.52 : x - Step 2: Convert to fraction form
403,868.19/605,874.30 = 134,012.52/x - Step 3: Cross multiply
403,868.19x = 605,874.30 × 134,012.52 - Step 4: Simplify right side
403,868.19x = 81,194,741,746.24 - Step 5: Solve for x
x = 81,194,741,746.24/403,868.19 - Step 6: Final answer
x = 201,042.68
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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.