Finding the Fourth Proportional to 239,005.57, 358,569.87 and 70,519.09
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Solution
The fourth proportional to 239,005.57, 358,569.87 and 70,519.09 is: 105,796.79
Step by Step Solution
- Step 1: Write the proportion equation
239,005.57 : 358,569.87 = 70,519.09 : x - Step 2: Convert to fraction form
239,005.57/358,569.87 = 70,519.09/x - Step 3: Cross multiply
239,005.57x = 358,569.87 × 70,519.09 - Step 4: Simplify right side
239,005.57x = 25,286,020,933.82 - Step 5: Solve for x
x = 25,286,020,933.82/239,005.57 - Step 6: Final answer
x = 105,796.79
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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.