Finding the Fourth Proportional to 492,078.70, 738,118.05 and 243,246.70
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Solution
The fourth proportional to 492,078.70, 738,118.05 and 243,246.70 is: 364,870.05
Step by Step Solution
- Step 1: Write the proportion equation
492,078.70 : 738,118.05 = 243,246.70 : x - Step 2: Convert to fraction form
492,078.70/738,118.05 = 243,246.70/x - Step 3: Cross multiply
492,078.70x = 738,118.05 × 243,246.70 - Step 4: Simplify right side
492,078.70x = 179,544,779,872.94 - Step 5: Solve for x
x = 179,544,779,872.94/492,078.70 - Step 6: Final answer
x = 364,870.05
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1.5x scale
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.