Finding the Fourth Proportional to 254,199.52, 381,301.98 and 76,708.09
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Solution
The fourth proportional to 254,199.52, 381,301.98 and 76,708.09 is: 115,062.95
Step by Step Solution
- Step 1: Write the proportion equation
254,199.52 : 381,301.98 = 76,708.09 : x - Step 2: Convert to fraction form
254,199.52/381,301.98 = 76,708.09/x - Step 3: Cross multiply
254,199.52x = 381,301.98 × 76,708.09 - Step 4: Simplify right side
254,199.52x = 29,248,946,599.02 - Step 5: Solve for x
x = 29,248,946,599.02/254,199.52 - Step 6: Final answer
x = 115,062.95
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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.