Finding the Fourth Proportional to 178,407.84, 267,626.36 and 89,615.68
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Solution
The fourth proportional to 178,407.84, 267,626.36 and 89,615.68 is: 134,430.85
Step by Step Solution
- Step 1: Write the proportion equation
178,407.84 : 267,626.36 = 89,615.68 : x - Step 2: Convert to fraction form
178,407.84/267,626.36 = 89,615.68/x - Step 3: Cross multiply
178,407.84x = 267,626.36 × 89,615.68 - Step 4: Simplify right side
178,407.84x = 23,983,518,237.32 - Step 5: Solve for x
x = 23,983,518,237.32/178,407.84 - Step 6: Final answer
x = 134,430.85
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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.