Finding the Fourth Proportional to 130,291.22, 195,465.51 and 74,157.75
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Solution
The fourth proportional to 130,291.22, 195,465.51 and 74,157.75 is: 111,252.95
Step by Step Solution
- Step 1: Write the proportion equation
130,291.22 : 195,465.51 = 74,157.75 : x - Step 2: Convert to fraction form
130,291.22/195,465.51 = 74,157.75/x - Step 3: Cross multiply
130,291.22x = 195,465.51 × 74,157.75 - Step 4: Simplify right side
130,291.22x = 14,495,282,424.20 - Step 5: Solve for x
x = 14,495,282,424.20/130,291.22 - Step 6: Final answer
x = 111,252.95
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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.