Finding the Fourth Proportional to 156,787.24, 235,216.14 and 51,602.44
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Solution
The fourth proportional to 156,787.24, 235,216.14 and 51,602.44 is: 77,415.27
Step by Step Solution
- Step 1: Write the proportion equation
156,787.24 : 235,216.14 = 51,602.44 : x - Step 2: Convert to fraction form
156,787.24/235,216.14 = 51,602.44/x - Step 3: Cross multiply
156,787.24x = 235,216.14 × 51,602.44 - Step 4: Simplify right side
156,787.24x = 12,137,726,751.38 - Step 5: Solve for x
x = 12,137,726,751.38/156,787.24 - Step 6: Final answer
x = 77,415.27
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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.