Finding the Fourth Proportional to 474,850.42, 655,289.26 and 257,058.02
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Solution
The fourth proportional to 474,850.42, 655,289.26 and 257,058.02 is: 354,737.73
Step by Step Solution
- Step 1: Write the proportion equation
474,850.42 : 655,289.26 = 257,058.02 : x - Step 2: Convert to fraction form
474,850.42/655,289.26 = 257,058.02/x - Step 3: Cross multiply
474,850.42x = 655,289.26 × 257,058.02 - Step 4: Simplify right side
474,850.42x = 168,447,360,698.44 - Step 5: Solve for x
x = 168,447,360,698.44/474,850.42 - Step 6: Final answer
x = 354,737.73
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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.