Finding the Fourth Proportional to 370,370.12, 555,445.60 and 157,135.34
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Solution
The fourth proportional to 370,370.12, 555,445.60 and 157,135.34 is: 235,656.52
Step by Step Solution
- Step 1: Write the proportion equation
370,370.12 : 555,445.60 = 157,135.34 : x - Step 2: Convert to fraction form
370,370.12/555,445.60 = 157,135.34/x - Step 3: Cross multiply
370,370.12x = 555,445.60 × 157,135.34 - Step 4: Simplify right side
370,370.12x = 87,280,135,087.17 - Step 5: Solve for x
x = 87,280,135,087.17/370,370.12 - Step 6: Final answer
x = 235,656.52
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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.