Finding the Fourth Proportional to 236,212.98, 325,980.06 and 145,628.79
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Solution
The fourth proportional to 236,212.98, 325,980.06 and 145,628.79 is: 200,971.52
Step by Step Solution
- Step 1: Write the proportion equation
236,212.98 : 325,980.06 = 145,628.79 : x - Step 2: Convert to fraction form
236,212.98/325,980.06 = 145,628.79/x - Step 3: Cross multiply
236,212.98x = 325,980.06 × 145,628.79 - Step 4: Simplify right side
236,212.98x = 47,472,081,701.93 - Step 5: Solve for x
x = 47,472,081,701.93/236,212.98 - Step 6: Final answer
x = 200,971.52
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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.