Finding the Fourth Proportional to 381,990.24, 572,788.26 and 171,448.02
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Solution
The fourth proportional to 381,990.24, 572,788.26 and 171,448.02 is: 257,083.57
Step by Step Solution
- Step 1: Write the proportion equation
381,990.24 : 572,788.26 = 171,448.02 : x - Step 2: Convert to fraction form
381,990.24/572,788.26 = 171,448.02/x - Step 3: Cross multiply
381,990.24x = 572,788.26 × 171,448.02 - Step 4: Simplify right side
381,990.24x = 98,203,413,056.25 - Step 5: Solve for x
x = 98,203,413,056.25/381,990.24 - Step 6: Final answer
x = 257,083.57
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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.