Finding the Fourth Proportional to 330,155.23, 454,594.06 and 257,850.19
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Solution
The fourth proportional to 330,155.23, 454,594.06 and 257,850.19 is: 355,036.52
Step by Step Solution
- Step 1: Write the proportion equation
330,155.23 : 454,594.06 = 257,850.19 : x - Step 2: Convert to fraction form
330,155.23/454,594.06 = 257,850.19/x - Step 3: Cross multiply
330,155.23x = 454,594.06 × 257,850.19 - Step 4: Simplify right side
330,155.23x = 117,217,164,743.87 - Step 5: Solve for x
x = 117,217,164,743.87/330,155.23 - Step 6: Final answer
x = 355,036.52
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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.