Finding the Fourth Proportional to 474,991.74, 655,489.62 and 257,202.81
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Solution
The fourth proportional to 474,991.74, 655,489.62 and 257,202.81 is: 354,940.43
Step by Step Solution
- Step 1: Write the proportion equation
474,991.74 : 655,489.62 = 257,202.81 : x - Step 2: Convert to fraction form
474,991.74/655,489.62 = 257,202.81/x - Step 3: Cross multiply
474,991.74x = 655,489.62 × 257,202.81 - Step 4: Simplify right side
474,991.74x = 168,593,772,189.83 - Step 5: Solve for x
x = 168,593,772,189.83/474,991.74 - Step 6: Final answer
x = 354,940.43
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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.