Finding the Fourth Proportional to 316,511.16, 436,774.44 and 180,589.08
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Solution
The fourth proportional to 316,511.16, 436,774.44 and 180,589.08 is: 249,206.68
Step by Step Solution
- Step 1: Write the proportion equation
316,511.16 : 436,774.44 = 180,589.08 : x - Step 2: Convert to fraction form
316,511.16/436,774.44 = 180,589.08/x - Step 3: Cross multiply
316,511.16x = 436,774.44 × 180,589.08 - Step 4: Simplify right side
316,511.16x = 78,876,694,287.12 - Step 5: Solve for x
x = 78,876,694,287.12/316,511.16 - Step 6: Final answer
x = 249,206.68
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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.