Finding the Fourth Proportional to 156,421.22, 234,665.99 and 56,570.99
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Solution
The fourth proportional to 156,421.22, 234,665.99 and 56,570.99 is: 84,868.83
Step by Step Solution
- Step 1: Write the proportion equation
156,421.22 : 234,665.99 = 56,570.99 : x - Step 2: Convert to fraction form
156,421.22/234,665.99 = 56,570.99/x - Step 3: Cross multiply
156,421.22x = 234,665.99 × 56,570.99 - Step 4: Simplify right side
156,421.22x = 13,275,285,917.45 - Step 5: Solve for x
x = 13,275,285,917.45/156,421.22 - Step 6: Final answer
x = 84,868.83
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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.