Finding the Fourth Proportional to 180,124.55, 248,536.55 and 108,508.50
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Solution
The fourth proportional to 180,124.55, 248,536.55 and 108,508.50 is: 149,720.45
Step by Step Solution
- Step 1: Write the proportion equation
180,124.55 : 248,536.55 = 108,508.50 : x - Step 2: Convert to fraction form
180,124.55/248,536.55 = 108,508.50/x - Step 3: Cross multiply
180,124.55x = 248,536.55 × 108,508.50 - Step 4: Simplify right side
180,124.55x = 26,968,327,693.13 - Step 5: Solve for x
x = 26,968,327,693.13/180,124.55 - Step 6: Final answer
x = 149,720.45
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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.