Finding the Fourth Proportional to 381,750.30, 572,625.45 and 381,750.30
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Solution
The fourth proportional to 381,750.30, 572,625.45 and 381,750.30 is: 572,625.45
Step by Step Solution
- Step 1: Write the proportion equation
381,750.30 : 572,625.45 = 381,750.30 : x - Step 2: Convert to fraction form
381,750.30/572,625.45 = 381,750.30/x - Step 3: Cross multiply
381,750.30x = 572,625.45 × 381,750.30 - Step 4: Simplify right side
381,750.30x = 218,599,937,325.14 - Step 5: Solve for x
x = 218,599,937,325.14/381,750.30 - Step 6: Final answer
x = 572,625.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.