Finding the Fourth Proportional to 346,645.99, 522,335.10 and 284,850.41
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Solution
The fourth proportional to 346,645.99, 522,335.10 and 284,850.41 is: 429,219.92
Step by Step Solution
- Step 1: Write the proportion equation
346,645.99 : 522,335.10 = 284,850.41 : x - Step 2: Convert to fraction form
346,645.99/522,335.10 = 284,850.41/x - Step 3: Cross multiply
346,645.99x = 522,335.10 × 284,850.41 - Step 4: Simplify right side
346,645.99x = 148,787,364,780.72 - Step 5: Solve for x
x = 148,787,364,780.72/346,645.99 - Step 6: Final answer
x = 429,219.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.