Finding the Fourth Proportional to 282,958.37, 390,367.35 and 160,424.93
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Solution
The fourth proportional to 282,958.37, 390,367.35 and 160,424.93 is: 221,321.09
Step by Step Solution
- Step 1: Write the proportion equation
282,958.37 : 390,367.35 = 160,424.93 : x - Step 2: Convert to fraction form
282,958.37/390,367.35 = 160,424.93/x - Step 3: Cross multiply
282,958.37x = 390,367.35 × 160,424.93 - Step 4: Simplify right side
282,958.37x = 62,624,652,846.20 - Step 5: Solve for x
x = 62,624,652,846.20/282,958.37 - Step 6: Final answer
x = 221,321.09
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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.