Finding the Fourth Proportional to 105,297.99, 157,807.26 and 46,069.17
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Solution
The fourth proportional to 105,297.99, 157,807.26 and 46,069.17 is: 69,042.62
Step by Step Solution
- Step 1: Write the proportion equation
105,297.99 : 157,807.26 = 46,069.17 : x - Step 2: Convert to fraction form
105,297.99/157,807.26 = 46,069.17/x - Step 3: Cross multiply
105,297.99x = 157,807.26 × 46,069.17 - Step 4: Simplify right side
105,297.99x = 7,270,049,488.17 - Step 5: Solve for x
x = 7,270,049,488.17/105,297.99 - Step 6: Final answer
x = 69,042.62
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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.