Finding the Fourth Proportional to 430,056.60, 645,157.80 and 130,534.80
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Solution
The fourth proportional to 430,056.60, 645,157.80 and 130,534.80 is: 195,824.33
Step by Step Solution
- Step 1: Write the proportion equation
430,056.60 : 645,157.80 = 130,534.80 : x - Step 2: Convert to fraction form
430,056.60/645,157.80 = 130,534.80/x - Step 3: Cross multiply
430,056.60x = 645,157.80 × 130,534.80 - Step 4: Simplify right side
430,056.60x = 84,215,544,391.44 - Step 5: Solve for x
x = 84,215,544,391.44/430,056.60 - Step 6: Final answer
x = 195,824.33
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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.