Finding the Fourth Proportional to 130,357.80, 195,536.70 and 41,617.80
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Solution
The fourth proportional to 130,357.80, 195,536.70 and 41,617.80 is: 62,426.70
Step by Step Solution
- Step 1: Write the proportion equation
130,357.80 : 195,536.70 = 41,617.80 : x - Step 2: Convert to fraction form
130,357.80/195,536.70 = 41,617.80/x - Step 3: Cross multiply
130,357.80x = 195,536.70 × 41,617.80 - Step 4: Simplify right side
130,357.80x = 8,137,807,273.26 - Step 5: Solve for x
x = 8,137,807,273.26/130,357.80 - Step 6: Final answer
x = 62,426.70
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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.