Finding the Fourth Proportional to 493,033.12, 739,828.52 and 268,409.08
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Solution
The fourth proportional to 493,033.12, 739,828.52 and 268,409.08 is: 402,765.42
Step by Step Solution
- Step 1: Write the proportion equation
493,033.12 : 739,828.52 = 268,409.08 : x - Step 2: Convert to fraction form
493,033.12/739,828.52 = 268,409.08/x - Step 3: Cross multiply
493,033.12x = 739,828.52 × 268,409.08 - Step 4: Simplify right side
493,033.12x = 198,576,692,410.96 - Step 5: Solve for x
x = 198,576,692,410.96/493,033.12 - Step 6: Final answer
x = 402,765.42
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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.