Finding the Fourth Proportional to 148,673.07, 205,339.10 and 97,912.70
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Solution
The fourth proportional to 148,673.07, 205,339.10 and 97,912.70 is: 135,231.66
Step by Step Solution
- Step 1: Write the proportion equation
148,673.07 : 205,339.10 = 97,912.70 : x - Step 2: Convert to fraction form
148,673.07/205,339.10 = 97,912.70/x - Step 3: Cross multiply
148,673.07x = 205,339.10 × 97,912.70 - Step 4: Simplify right side
148,673.07x = 20,105,304,669.87 - Step 5: Solve for x
x = 20,105,304,669.87/148,673.07 - Step 6: Final answer
x = 135,231.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.