Finding the Fourth Proportional to 290,551.08, 435,854.94 and 113,072.52
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Solution
The fourth proportional to 290,551.08, 435,854.94 and 113,072.52 is: 169,619.80
Step by Step Solution
- Step 1: Write the proportion equation
290,551.08 : 435,854.94 = 113,072.52 : x - Step 2: Convert to fraction form
290,551.08/435,854.94 = 113,072.52/x - Step 3: Cross multiply
290,551.08x = 435,854.94 × 113,072.52 - Step 4: Simplify right side
290,551.08x = 49,283,216,420.25 - Step 5: Solve for x
x = 49,283,216,420.25/290,551.08 - Step 6: Final answer
x = 169,619.80
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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.