Finding the Fourth Proportional to 355,708.19, 533,522.97 and 89,468.81
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Solution
The fourth proportional to 355,708.19, 533,522.97 and 89,468.81 is: 134,193.32
Step by Step Solution
- Step 1: Write the proportion equation
355,708.19 : 533,522.97 = 89,468.81 : x - Step 2: Convert to fraction form
355,708.19/533,522.97 = 89,468.81/x - Step 3: Cross multiply
355,708.19x = 533,522.97 × 89,468.81 - Step 4: Simplify right side
355,708.19x = 47,733,662,565.95 - Step 5: Solve for x
x = 47,733,662,565.95/355,708.19 - Step 6: Final answer
x = 134,193.32
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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.