Finding the Fourth Proportional to 236,465.62, 326,323.38 and 129,038.02
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Solution
The fourth proportional to 236,465.62, 326,323.38 and 129,038.02 is: 178,072.92
Step by Step Solution
- Step 1: Write the proportion equation
236,465.62 : 326,323.38 = 129,038.02 : x - Step 2: Convert to fraction form
236,465.62/326,323.38 = 129,038.02/x - Step 3: Cross multiply
236,465.62x = 326,323.38 × 129,038.02 - Step 4: Simplify right side
236,465.62x = 42,108,122,834.91 - Step 5: Solve for x
x = 42,108,122,834.91/236,465.62 - Step 6: Final answer
x = 178,072.92
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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.