Finding the Fourth Proportional to 104,867.40, 156,508.84 and 97,756.91
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Solution
The fourth proportional to 104,867.40, 156,508.84 and 97,756.91 is: 145,896.82
Step by Step Solution
- Step 1: Write the proportion equation
104,867.40 : 156,508.84 = 97,756.91 : x - Step 2: Convert to fraction form
104,867.40/156,508.84 = 97,756.91/x - Step 3: Cross multiply
104,867.40x = 156,508.84 × 97,756.91 - Step 4: Simplify right side
104,867.40x = 15,299,820,586.08 - Step 5: Solve for x
x = 15,299,820,586.08/104,867.40 - Step 6: Final answer
x = 145,896.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.