Finding the Fourth Proportional to 156,212.78, 234,270.70 and 56,359.99
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Solution
The fourth proportional to 156,212.78, 234,270.70 and 56,359.99 is: 84,522.50
Step by Step Solution
- Step 1: Write the proportion equation
156,212.78 : 234,270.70 = 56,359.99 : x - Step 2: Convert to fraction form
156,212.78/234,270.70 = 56,359.99/x - Step 3: Cross multiply
156,212.78x = 234,270.70 × 56,359.99 - Step 4: Simplify right side
156,212.78x = 13,203,494,309.29 - Step 5: Solve for x
x = 13,203,494,309.29/156,212.78 - Step 6: Final answer
x = 84,522.50
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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.