Finding the Fourth Proportional to 316,511.08, 436,784.56 and 173,269.87
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Solution
The fourth proportional to 316,511.08, 436,784.56 and 173,269.87 is: 239,112.02
Step by Step Solution
- Step 1: Write the proportion equation
316,511.08 : 436,784.56 = 173,269.87 : x - Step 2: Convert to fraction form
316,511.08/436,784.56 = 173,269.87/x - Step 3: Cross multiply
316,511.08x = 436,784.56 × 173,269.87 - Step 4: Simplify right side
316,511.08x = 75,681,603,929.21 - Step 5: Solve for x
x = 75,681,603,929.21/316,511.08 - Step 6: Final answer
x = 239,112.02
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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.