Finding the Fourth Proportional to 236,239.09, 326,018.63 and 134,281.70
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Solution
The fourth proportional to 236,239.09, 326,018.63 and 134,281.70 is: 185,313.69
Step by Step Solution
- Step 1: Write the proportion equation
236,239.09 : 326,018.63 = 134,281.70 : x - Step 2: Convert to fraction form
236,239.09/326,018.63 = 134,281.70/x - Step 3: Cross multiply
236,239.09x = 326,018.63 × 134,281.70 - Step 4: Simplify right side
236,239.09x = 43,778,336,011.71 - Step 5: Solve for x
x = 43,778,336,011.71/236,239.09 - Step 6: Final answer
x = 185,313.69
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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.