Finding the Fourth Proportional to 343,572.68, 474,033.39 and 222,719.06
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Solution
The fourth proportional to 343,572.68, 474,033.39 and 222,719.06 is: 307,289.48
Step by Step Solution
- Step 1: Write the proportion equation
343,572.68 : 474,033.39 = 222,719.06 : x - Step 2: Convert to fraction form
343,572.68/474,033.39 = 222,719.06/x - Step 3: Cross multiply
343,572.68x = 474,033.39 × 222,719.06 - Step 4: Simplify right side
343,572.68x = 105,576,271,029.41 - Step 5: Solve for x
x = 105,576,271,029.41/343,572.68 - Step 6: Final answer
x = 307,289.48
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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.