Finding the Fourth Proportional to 307,731.15, 461,550.56 and 97,341.75
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Solution
The fourth proportional to 307,731.15, 461,550.56 and 97,341.75 is: 145,998.02
Step by Step Solution
- Step 1: Write the proportion equation
307,731.15 : 461,550.56 = 97,341.75 : x - Step 2: Convert to fraction form
307,731.15/461,550.56 = 97,341.75/x - Step 3: Cross multiply
307,731.15x = 461,550.56 × 97,341.75 - Step 4: Simplify right side
307,731.15x = 44,928,138,737.17 - Step 5: Solve for x
x = 44,928,138,737.17/307,731.15 - Step 6: Final answer
x = 145,998.02
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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.