Finding the Fourth Proportional to 492,675.96, 738,784.30 and 255,955.08
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Solution
The fourth proportional to 492,675.96, 738,784.30 and 255,955.08 is: 383,813.32
Step by Step Solution
- Step 1: Write the proportion equation
492,675.96 : 738,784.30 = 255,955.08 : x - Step 2: Convert to fraction form
492,675.96/738,784.30 = 255,955.08/x - Step 3: Cross multiply
492,675.96x = 738,784.30 × 255,955.08 - Step 4: Simplify right side
492,675.96x = 189,095,594,609.24 - Step 5: Solve for x
x = 189,095,594,609.24/492,675.96 - Step 6: Final answer
x = 383,813.32
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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.