Finding the Fourth Proportional to 156,905.07, 235,457.84 and 57,055.76
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Solution
The fourth proportional to 156,905.07, 235,457.84 and 57,055.76 is: 85,620.09
Step by Step Solution
- Step 1: Write the proportion equation
156,905.07 : 235,457.84 = 57,055.76 : x - Step 2: Convert to fraction form
156,905.07/235,457.84 = 57,055.76/x - Step 3: Cross multiply
156,905.07x = 235,457.84 × 57,055.76 - Step 4: Simplify right side
156,905.07x = 13,434,226,740.44 - Step 5: Solve for x
x = 13,434,226,740.44/156,905.07 - Step 6: Final answer
x = 85,620.09
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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.