Finding the Fourth Proportional to 170,645.01, 235,536.95 and 99,048.09
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Solution
The fourth proportional to 170,645.01, 235,536.95 and 99,048.09 is: 136,713.56
Step by Step Solution
- Step 1: Write the proportion equation
170,645.01 : 235,536.95 = 99,048.09 : x - Step 2: Convert to fraction form
170,645.01/235,536.95 = 99,048.09/x - Step 3: Cross multiply
170,645.01x = 235,536.95 × 99,048.09 - Step 4: Simplify right side
170,645.01x = 23,329,486,152.81 - Step 5: Solve for x
x = 23,329,486,152.81/170,645.01 - Step 6: Final answer
x = 136,713.56
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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.