Finding the Fourth Proportional to 351,271.68, 484,756.20 and 190,128.84
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Solution
The fourth proportional to 351,271.68, 484,756.20 and 190,128.84 is: 262,378.49
Step by Step Solution
- Step 1: Write the proportion equation
351,271.68 : 484,756.20 = 190,128.84 : x - Step 2: Convert to fraction form
351,271.68/484,756.20 = 190,128.84/x - Step 3: Cross multiply
351,271.68x = 484,756.20 × 190,128.84 - Step 4: Simplify right side
351,271.68x = 92,166,133,988.81 - Step 5: Solve for x
x = 92,166,133,988.81/351,271.68 - Step 6: Final answer
x = 262,378.49
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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.