Finding the Fourth Proportional to 156,029.20, 234,068.08 and 50,823.68
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Solution
The fourth proportional to 156,029.20, 234,068.08 and 50,823.68 is: 76,243.43
Step by Step Solution
- Step 1: Write the proportion equation
156,029.20 : 234,068.08 = 50,823.68 : x - Step 2: Convert to fraction form
156,029.20/234,068.08 = 50,823.68/x - Step 3: Cross multiply
156,029.20x = 234,068.08 × 50,823.68 - Step 4: Simplify right side
156,029.20x = 11,896,201,196.13 - Step 5: Solve for x
x = 11,896,201,196.13/156,029.20 - Step 6: Final answer
x = 76,243.43
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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.