Finding the Fourth Proportional to 310,027.19, 427,833.77 and 174,057.75
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Solution
The fourth proportional to 310,027.19, 427,833.77 and 174,057.75 is: 240,197.59
Step by Step Solution
- Step 1: Write the proportion equation
310,027.19 : 427,833.77 = 174,057.75 : x - Step 2: Convert to fraction form
310,027.19/427,833.77 = 174,057.75/x - Step 3: Cross multiply
310,027.19x = 427,833.77 × 174,057.75 - Step 4: Simplify right side
310,027.19x = 74,467,782,509.93 - Step 5: Solve for x
x = 74,467,782,509.93/310,027.19 - Step 6: Final answer
x = 240,197.59
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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.