Finding the Fourth Proportional to 108,300.09, 149,394.11 and 62,973.08
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Solution
The fourth proportional to 108,300.09, 149,394.11 and 62,973.08 is: 86,867.94
Step by Step Solution
- Step 1: Write the proportion equation
108,300.09 : 149,394.11 = 62,973.08 : x - Step 2: Convert to fraction form
108,300.09/149,394.11 = 62,973.08/x - Step 3: Cross multiply
108,300.09x = 149,394.11 × 62,973.08 - Step 4: Simplify right side
108,300.09x = 9,407,806,178.72 - Step 5: Solve for x
x = 9,407,806,178.72/108,300.09 - Step 6: Final answer
x = 86,867.94
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1.5x scale
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.