Finding the Fourth Proportional to 307,984.68, 461,993.58 and 97,639.02
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Solution
The fourth proportional to 307,984.68, 461,993.58 and 97,639.02 is: 146,463.78
Step by Step Solution
- Step 1: Write the proportion equation
307,984.68 : 461,993.58 = 97,639.02 : x - Step 2: Convert to fraction form
307,984.68/461,993.58 = 97,639.02/x - Step 3: Cross multiply
307,984.68x = 461,993.58 × 97,639.02 - Step 4: Simplify right side
307,984.68x = 45,108,600,397.49 - Step 5: Solve for x
x = 45,108,600,397.49/307,984.68 - Step 6: Final answer
x = 146,463.78
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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.