Finding the Fourth Proportional to 236,637.70, 326,573.25 and 129,217.70
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Solution
The fourth proportional to 236,637.70, 326,573.25 and 129,217.70 is: 178,327.65
Step by Step Solution
- Step 1: Write the proportion equation
236,637.70 : 326,573.25 = 129,217.70 : x - Step 2: Convert to fraction form
236,637.70/326,573.25 = 129,217.70/x - Step 3: Cross multiply
236,637.70x = 326,573.25 × 129,217.70 - Step 4: Simplify right side
236,637.70x = 42,199,044,246.53 - Step 5: Solve for x
x = 42,199,044,246.53/236,637.70 - Step 6: Final answer
x = 178,327.65
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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.