Finding the Fourth Proportional to 149,116.46, 205,712.91 and 88,652.79
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Solution
The fourth proportional to 149,116.46, 205,712.91 and 88,652.79 is: 122,300.54
Step by Step Solution
- Step 1: Write the proportion equation
149,116.46 : 205,712.91 = 88,652.79 : x - Step 2: Convert to fraction form
149,116.46/205,712.91 = 88,652.79/x - Step 3: Cross multiply
149,116.46x = 205,712.91 × 88,652.79 - Step 4: Simplify right side
149,116.46x = 18,237,023,410.52 - Step 5: Solve for x
x = 18,237,023,410.52/149,116.46 - Step 6: Final answer
x = 122,300.54
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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.