Finding the Fourth Proportional to 236,653.74, 326,587.62 and 129,224.52
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Solution
The fourth proportional to 236,653.74, 326,587.62 and 129,224.52 is: 178,332.82
Step by Step Solution
- Step 1: Write the proportion equation
236,653.74 : 326,587.62 = 129,224.52 : x - Step 2: Convert to fraction form
236,653.74/326,587.62 = 129,224.52/x - Step 3: Cross multiply
236,653.74x = 326,587.62 × 129,224.52 - Step 4: Simplify right side
236,653.74x = 42,203,128,432.44 - Step 5: Solve for x
x = 42,203,128,432.44/236,653.74 - Step 6: Final answer
x = 178,332.82
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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.