Finding the Fourth Proportional to 437,088.36, 655,749.21 and 156,633.96
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Solution
The fourth proportional to 437,088.36, 655,749.21 and 156,633.96 is: 234,992.75
Step by Step Solution
- Step 1: Write the proportion equation
437,088.36 : 655,749.21 = 156,633.96 : x - Step 2: Convert to fraction form
437,088.36/655,749.21 = 156,633.96/x - Step 3: Cross multiply
437,088.36x = 655,749.21 × 156,633.96 - Step 4: Simplify right side
437,088.36x = 102,712,595,529.17 - Step 5: Solve for x
x = 102,712,595,529.17/437,088.36 - Step 6: Final answer
x = 234,992.75
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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.