Finding the Fourth Proportional to 156,986.06, 235,487.23 and 51,813.23
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Solution
The fourth proportional to 156,986.06, 235,487.23 and 51,813.23 is: 77,722.53
Step by Step Solution
- Step 1: Write the proportion equation
156,986.06 : 235,487.23 = 51,813.23 : x - Step 2: Convert to fraction form
156,986.06/235,487.23 = 51,813.23/x - Step 3: Cross multiply
156,986.06x = 235,487.23 × 51,813.23 - Step 4: Simplify right side
156,986.06x = 12,201,354,010.05 - Step 5: Solve for x
x = 12,201,354,010.05/156,986.06 - Step 6: Final answer
x = 77,722.53
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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.