Finding the Fourth Proportional to 276,154.80, 381,104.58 and 155,295.48
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Solution
The fourth proportional to 276,154.80, 381,104.58 and 155,295.48 is: 214,313.92
Step by Step Solution
- Step 1: Write the proportion equation
276,154.80 : 381,104.58 = 155,295.48 : x - Step 2: Convert to fraction form
276,154.80/381,104.58 = 155,295.48/x - Step 3: Cross multiply
276,154.80x = 381,104.58 × 155,295.48 - Step 4: Simplify right side
276,154.80x = 59,183,818,681.30 - Step 5: Solve for x
x = 59,183,818,681.30/276,154.80 - Step 6: Final answer
x = 214,313.92
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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.