Finding the Fourth Proportional to 156,915.52, 235,257.93 and 50,237.75
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Solution
The fourth proportional to 156,915.52, 235,257.93 and 50,237.75 is: 75,319.70
Step by Step Solution
- Step 1: Write the proportion equation
156,915.52 : 235,257.93 = 50,237.75 : x - Step 2: Convert to fraction form
156,915.52/235,257.93 = 50,237.75/x - Step 3: Cross multiply
156,915.52x = 235,257.93 × 50,237.75 - Step 4: Simplify right side
156,915.52x = 11,818,829,661.00 - Step 5: Solve for x
x = 11,818,829,661.00/156,915.52 - Step 6: Final answer
x = 75,319.70
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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.