Finding the Fourth Proportional to 447,119.28, 670,536.66 and 147,544.02
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Solution
The fourth proportional to 447,119.28, 670,536.66 and 147,544.02 is: 221,269.09
Step by Step Solution
- Step 1: Write the proportion equation
447,119.28 : 670,536.66 = 147,544.02 : x - Step 2: Convert to fraction form
447,119.28/670,536.66 = 147,544.02/x - Step 3: Cross multiply
447,119.28x = 670,536.66 × 147,544.02 - Step 4: Simplify right side
447,119.28x = 98,933,674,927.06 - Step 5: Solve for x
x = 98,933,674,927.06/447,119.28 - Step 6: Final answer
x = 221,269.09
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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.