Finding the Fourth Proportional to 351,119.19, 484,541.03 and 189,970.70
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Solution
The fourth proportional to 351,119.19, 484,541.03 and 189,970.70 is: 262,157.70
Step by Step Solution
- Step 1: Write the proportion equation
351,119.19 : 484,541.03 = 189,970.70 : x - Step 2: Convert to fraction form
351,119.19/484,541.03 = 189,970.70/x - Step 3: Cross multiply
351,119.19x = 484,541.03 × 189,970.70 - Step 4: Simplify right side
351,119.19x = 92,048,600,334.10 - Step 5: Solve for x
x = 92,048,600,334.10/351,119.19 - Step 6: Final answer
x = 262,157.70
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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.