Finding the Fourth Proportional to 295,135.20, 442,702.80 and 73,519.20
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Solution
The fourth proportional to 295,135.20, 442,702.80 and 73,519.20 is: 110,278.80
Step by Step Solution
- Step 1: Write the proportion equation
295,135.20 : 442,702.80 = 73,519.20 : x - Step 2: Convert to fraction form
295,135.20/442,702.80 = 73,519.20/x - Step 3: Cross multiply
295,135.20x = 442,702.80 × 73,519.20 - Step 4: Simplify right side
295,135.20x = 32,547,155,693.76 - Step 5: Solve for x
x = 32,547,155,693.76/295,135.20 - Step 6: Final answer
x = 110,278.80
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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.