Finding the Fourth Proportional to 228,106.79, 342,138.18 and 70,292.87
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Solution
The fourth proportional to 228,106.79, 342,138.18 and 70,292.87 is: 105,432.52
Step by Step Solution
- Step 1: Write the proportion equation
228,106.79 : 342,138.18 = 70,292.87 : x - Step 2: Convert to fraction form
228,106.79/342,138.18 = 70,292.87/x - Step 3: Cross multiply
228,106.79x = 342,138.18 × 70,292.87 - Step 4: Simplify right side
228,106.79x = 24,049,874,257.31 - Step 5: Solve for x
x = 24,049,874,257.31/228,106.79 - Step 6: Final answer
x = 105,432.52
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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.