Finding the Fourth Proportional to 108,199.34, 149,312.31 and 60,452.99
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Solution
The fourth proportional to 108,199.34, 149,312.31 and 60,452.99 is: 83,423.57
Step by Step Solution
- Step 1: Write the proportion equation
108,199.34 : 149,312.31 = 60,452.99 : x - Step 2: Convert to fraction form
108,199.34/149,312.31 = 60,452.99/x - Step 3: Cross multiply
108,199.34x = 149,312.31 × 60,452.99 - Step 4: Simplify right side
108,199.34x = 9,026,374,836.75 - Step 5: Solve for x
x = 9,026,374,836.75/108,199.34 - Step 6: Final answer
x = 83,423.57
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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.