Finding the Fourth Proportional to 156,974.94, 235,457.14 and 68,228.44
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Solution
The fourth proportional to 156,974.94, 235,457.14 and 68,228.44 is: 102,340.37
Step by Step Solution
- Step 1: Write the proportion equation
156,974.94 : 235,457.14 = 68,228.44 : x - Step 2: Convert to fraction form
156,974.94/235,457.14 = 68,228.44/x - Step 3: Cross multiply
156,974.94x = 235,457.14 × 68,228.44 - Step 4: Simplify right side
156,974.94x = 16,064,873,349.06 - Step 5: Solve for x
x = 16,064,873,349.06/156,974.94 - Step 6: Final answer
x = 102,340.37
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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.