Finding the Fourth Proportional to 837,408.24, 1,255,923.70 and 238,356.14
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Solution
The fourth proportional to 837,408.24, 1,255,923.70 and 238,356.14 is: 357,480.50
Step by Step Solution
- Step 1: Write the proportion equation
837,408.24 : 1,255,923.70 = 238,356.14 : x - Step 2: Convert to fraction form
837,408.24/1,255,923.70 = 238,356.14/x - Step 3: Cross multiply
837,408.24x = 1,255,923.70 × 238,356.14 - Step 4: Simplify right side
837,408.24x = 299,357,118,391.01 - Step 5: Solve for x
x = 299,357,118,391.01/837,408.24 - Step 6: Final answer
x = 357,480.50
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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.