Finding the Fourth Proportional to 435,759.04, 653,639.08 and 136,241.19
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Solution
The fourth proportional to 435,759.04, 653,639.08 and 136,241.19 is: 204,361.95
Step by Step Solution
- Step 1: Write the proportion equation
435,759.04 : 653,639.08 = 136,241.19 : x - Step 2: Convert to fraction form
435,759.04/653,639.08 = 136,241.19/x - Step 3: Cross multiply
435,759.04x = 653,639.08 × 136,241.19 - Step 4: Simplify right side
435,759.04x = 89,052,565,408.50 - Step 5: Solve for x
x = 89,052,565,408.50/435,759.04 - Step 6: Final answer
x = 204,361.95
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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.