Finding the Fourth Proportional to 255,535.99, 352,646.67 and 142,358.74
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Solution
The fourth proportional to 255,535.99, 352,646.67 and 142,358.74 is: 196,458.96
Step by Step Solution
- Step 1: Write the proportion equation
255,535.99 : 352,646.67 = 142,358.74 : x - Step 2: Convert to fraction form
255,535.99/352,646.67 = 142,358.74/x - Step 3: Cross multiply
255,535.99x = 352,646.67 × 142,358.74 - Step 4: Simplify right side
255,535.99x = 50,202,335,606.40 - Step 5: Solve for x
x = 50,202,335,606.40/255,535.99 - Step 6: Final answer
x = 196,458.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.