Finding the Fourth Proportional to 156,784.66, 235,176.99 and 51,633.70
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Solution
The fourth proportional to 156,784.66, 235,176.99 and 51,633.70 is: 77,450.55
Step by Step Solution
- Step 1: Write the proportion equation
156,784.66 : 235,176.99 = 51,633.70 : x - Step 2: Convert to fraction form
156,784.66/235,176.99 = 51,633.70/x - Step 3: Cross multiply
156,784.66x = 235,176.99 × 51,633.70 - Step 4: Simplify right side
156,784.66x = 12,143,058,148.56 - Step 5: Solve for x
x = 12,143,058,148.56/156,784.66 - Step 6: Final answer
x = 77,450.55
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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.