Finding the Fourth Proportional to 367,120.82, 550,681.27 and 130,472.84
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Solution
The fourth proportional to 367,120.82, 550,681.27 and 130,472.84 is: 195,709.28
Step by Step Solution
- Step 1: Write the proportion equation
367,120.82 : 550,681.27 = 130,472.84 : x - Step 2: Convert to fraction form
367,120.82/550,681.27 = 130,472.84/x - Step 3: Cross multiply
367,120.82x = 550,681.27 × 130,472.84 - Step 4: Simplify right side
367,120.82x = 71,848,950,282.23 - Step 5: Solve for x
x = 71,848,950,282.23/367,120.82 - Step 6: Final answer
x = 195,709.28
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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.