Finding the Fourth Proportional to 492,582.36, 679,750.08 and 277,720.56
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Solution
The fourth proportional to 492,582.36, 679,750.08 and 277,720.56 is: 383,246.72
Step by Step Solution
- Step 1: Write the proportion equation
492,582.36 : 679,750.08 = 277,720.56 : x - Step 2: Convert to fraction form
492,582.36/679,750.08 = 277,720.56/x - Step 3: Cross multiply
492,582.36x = 679,750.08 × 277,720.56 - Step 4: Simplify right side
492,582.36x = 188,780,572,877.65 - Step 5: Solve for x
x = 188,780,572,877.65/492,582.36 - Step 6: Final answer
x = 383,246.72
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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.