Finding the Fourth Proportional to 636,639.64, 954,800.70 and 187,271.08
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Solution
The fourth proportional to 636,639.64, 954,800.70 and 187,271.08 is: 280,859.92
Step by Step Solution
- Step 1: Write the proportion equation
636,639.64 : 954,800.70 = 187,271.08 : x - Step 2: Convert to fraction form
636,639.64/954,800.70 = 187,271.08/x - Step 3: Cross multiply
636,639.64x = 954,800.70 × 187,271.08 - Step 4: Simplify right side
636,639.64x = 178,806,558,273.76 - Step 5: Solve for x
x = 178,806,558,273.76/636,639.64 - Step 6: Final answer
x = 280,859.92
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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.