Finding the Fourth Proportional to 236,860.60, 355,431.08 and 87,206.08
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Solution
The fourth proportional to 236,860.60, 355,431.08 and 87,206.08 is: 130,860.73
Step by Step Solution
- Step 1: Write the proportion equation
236,860.60 : 355,431.08 = 87,206.08 : x - Step 2: Convert to fraction form
236,860.60/355,431.08 = 87,206.08/x - Step 3: Cross multiply
236,860.60x = 355,431.08 × 87,206.08 - Step 4: Simplify right side
236,860.60x = 30,995,751,196.97 - Step 5: Solve for x
x = 30,995,751,196.97/236,860.60 - Step 6: Final answer
x = 130,860.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.