Finding the Fourth Proportional to 474,852.99, 655,292.66 and 257,056.09
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Solution
The fourth proportional to 474,852.99, 655,292.66 and 257,056.09 is: 354,734.99
Step by Step Solution
- Step 1: Write the proportion equation
474,852.99 : 655,292.66 = 257,056.09 : x - Step 2: Convert to fraction form
474,852.99/655,292.66 = 257,056.09/x - Step 3: Cross multiply
474,852.99x = 655,292.66 × 257,056.09 - Step 4: Simplify right side
474,852.99x = 168,446,969,747.81 - Step 5: Solve for x
x = 168,446,969,747.81/474,852.99 - Step 6: Final answer
x = 354,734.99
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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.