Finding the Fourth Proportional to 236,393.64, 326,215.74 and 134,430.18
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Solution
The fourth proportional to 236,393.64, 326,215.74 and 134,430.18 is: 185,509.39
Step by Step Solution
- Step 1: Write the proportion equation
236,393.64 : 326,215.74 = 134,430.18 : x - Step 2: Convert to fraction form
236,393.64/326,215.74 = 134,430.18/x - Step 3: Cross multiply
236,393.64x = 326,215.74 × 134,430.18 - Step 4: Simplify right side
236,393.64x = 43,853,240,647.03 - Step 5: Solve for x
x = 43,853,240,647.03/236,393.64 - Step 6: Final answer
x = 185,509.39
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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.