Finding the Fourth Proportional to 315,224.16, 472,840.34 and 104,862.09
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Solution
The fourth proportional to 315,224.16, 472,840.34 and 104,862.09 is: 157,294.50
Step by Step Solution
- Step 1: Write the proportion equation
315,224.16 : 472,840.34 = 104,862.09 : x - Step 2: Convert to fraction form
315,224.16/472,840.34 = 104,862.09/x - Step 3: Cross multiply
315,224.16x = 472,840.34 × 104,862.09 - Step 4: Simplify right side
315,224.16x = 49,583,027,537.55 - Step 5: Solve for x
x = 49,583,027,537.55/315,224.16 - Step 6: Final answer
x = 157,294.50
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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.