Finding the Fourth Proportional to 276,155.19, 381,140.91 and 159,851.81
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Solution
The fourth proportional to 276,155.19, 381,140.91 and 159,851.81 is: 220,622.56
Step by Step Solution
- Step 1: Write the proportion equation
276,155.19 : 381,140.91 = 159,851.81 : x - Step 2: Convert to fraction form
276,155.19/381,140.91 = 159,851.81/x - Step 3: Cross multiply
276,155.19x = 381,140.91 × 159,851.81 - Step 4: Simplify right side
276,155.19x = 60,926,065,281.40 - Step 5: Solve for x
x = 60,926,065,281.40/276,155.19 - Step 6: Final answer
x = 220,622.56
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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.