Finding the Fourth Proportional to 150,058.36, 207,035.58 and 86,394.52
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Solution
The fourth proportional to 150,058.36, 207,035.58 and 86,394.52 is: 119,198.55
Step by Step Solution
- Step 1: Write the proportion equation
150,058.36 : 207,035.58 = 86,394.52 : x - Step 2: Convert to fraction form
150,058.36/207,035.58 = 86,394.52/x - Step 3: Cross multiply
150,058.36x = 207,035.58 × 86,394.52 - Step 4: Simplify right side
150,058.36x = 17,886,739,557.02 - Step 5: Solve for x
x = 17,886,739,557.02/150,058.36 - Step 6: Final answer
x = 119,198.55
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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.