Finding the Fourth Proportional to 236,555.04, 326,453.67 and 129,130.80
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Solution
The fourth proportional to 236,555.04, 326,453.67 and 129,130.80 is: 178,204.72
Step by Step Solution
- Step 1: Write the proportion equation
236,555.04 : 326,453.67 = 129,130.80 : x - Step 2: Convert to fraction form
236,555.04/326,453.67 = 129,130.80/x - Step 3: Cross multiply
236,555.04x = 326,453.67 × 129,130.80 - Step 4: Simplify right side
236,555.04x = 42,155,223,570.04 - Step 5: Solve for x
x = 42,155,223,570.04/236,555.04 - Step 6: Final answer
x = 178,204.72
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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.