Finding the Fourth Proportional to 156,778.66, 235,167.99 and 51,627.70
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Solution
The fourth proportional to 156,778.66, 235,167.99 and 51,627.70 is: 77,441.55
Step by Step Solution
- Step 1: Write the proportion equation
156,778.66 : 235,167.99 = 51,627.70 : x - Step 2: Convert to fraction form
156,778.66/235,167.99 = 51,627.70/x - Step 3: Cross multiply
156,778.66x = 235,167.99 × 51,627.70 - Step 4: Simplify right side
156,778.66x = 12,141,182,437.32 - Step 5: Solve for x
x = 12,141,182,437.32/156,778.66 - Step 6: Final answer
x = 77,441.55
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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.