Finding the Fourth Proportional to 254,166.68, 381,252.76 and 76,675.23
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Solution
The fourth proportional to 254,166.68, 381,252.76 and 76,675.23 is: 115,013.67
Step by Step Solution
- Step 1: Write the proportion equation
254,166.68 : 381,252.76 = 76,675.23 : x - Step 2: Convert to fraction form
254,166.68/381,252.76 = 76,675.23/x - Step 3: Cross multiply
254,166.68x = 381,252.76 × 76,675.23 - Step 4: Simplify right side
254,166.68x = 29,232,643,061.13 - Step 5: Solve for x
x = 29,232,643,061.13/254,166.68 - Step 6: Final answer
x = 115,013.67
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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.