Finding the Fourth Proportional to 276,293.03, 381,306.29 and 155,426.99
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Solution
The fourth proportional to 276,293.03, 381,306.29 and 155,426.99 is: 214,501.56
Step by Step Solution
- Step 1: Write the proportion equation
276,293.03 : 381,306.29 = 155,426.99 : x - Step 2: Convert to fraction form
276,293.03/381,306.29 = 155,426.99/x - Step 3: Cross multiply
276,293.03x = 381,306.29 × 155,426.99 - Step 4: Simplify right side
276,293.03x = 59,265,286,239.10 - Step 5: Solve for x
x = 59,265,286,239.10/276,293.03 - Step 6: Final answer
x = 214,501.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.