Finding the Fourth Proportional to 539,399.36, 809,259.42 and 239,838.68
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Solution
The fourth proportional to 539,399.36, 809,259.42 and 239,838.68 is: 359,829.33
Step by Step Solution
- Step 1: Write the proportion equation
539,399.36 : 809,259.42 = 239,838.68 : x - Step 2: Convert to fraction form
539,399.36/809,259.42 = 239,838.68/x - Step 3: Cross multiply
539,399.36x = 809,259.42 × 239,838.68 - Step 4: Simplify right side
539,399.36x = 194,091,711,070.37 - Step 5: Solve for x
x = 194,091,711,070.37/539,399.36 - Step 6: Final answer
x = 359,829.33
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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.