Finding the Fourth Proportional to 135,038.79, 202,568.04 and 46,291.55
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Solution
The fourth proportional to 135,038.79, 202,568.04 and 46,291.55 is: 69,440.70
Step by Step Solution
- Step 1: Write the proportion equation
135,038.79 : 202,568.04 = 46,291.55 : x - Step 2: Convert to fraction form
135,038.79/202,568.04 = 46,291.55/x - Step 3: Cross multiply
135,038.79x = 202,568.04 × 46,291.55 - Step 4: Simplify right side
135,038.79x = 9,377,188,552.06 - Step 5: Solve for x
x = 9,377,188,552.06/135,038.79 - Step 6: Final answer
x = 69,440.70
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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.