Finding the Fourth Proportional to 484,639.93, 668,865.90 and 277,988.95
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Solution
The fourth proportional to 484,639.93, 668,865.90 and 277,988.95 is: 383,660.77
Step by Step Solution
- Step 1: Write the proportion equation
484,639.93 : 668,865.90 = 277,988.95 : x - Step 2: Convert to fraction form
484,639.93/668,865.90 = 277,988.95/x - Step 3: Cross multiply
484,639.93x = 668,865.90 × 277,988.95 - Step 4: Simplify right side
484,639.93x = 185,937,329,231.81 - Step 5: Solve for x
x = 185,937,329,231.81/484,639.93 - Step 6: Final answer
x = 383,660.77
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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.