Finding the Fourth Proportional to 97,260.20, 145,890.36 and 30,707.12
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Solution
The fourth proportional to 97,260.20, 145,890.36 and 30,707.12 is: 46,060.70
Step by Step Solution
- Step 1: Write the proportion equation
97,260.20 : 145,890.36 = 30,707.12 : x - Step 2: Convert to fraction form
97,260.20/145,890.36 = 30,707.12/x - Step 3: Cross multiply
97,260.20x = 145,890.36 × 30,707.12 - Step 4: Simplify right side
97,260.20x = 4,479,872,791.36 - Step 5: Solve for x
x = 4,479,872,791.36/97,260.20 - Step 6: Final answer
x = 46,060.70
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1.5x scale
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.