Finding the Fourth Proportional to 178,276.75, 246,023.80 and 97,702.50
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Solution
The fourth proportional to 178,276.75, 246,023.80 and 97,702.50 is: 134,830.49
Step by Step Solution
- Step 1: Write the proportion equation
178,276.75 : 246,023.80 = 97,702.50 : x - Step 2: Convert to fraction form
178,276.75/246,023.80 = 97,702.50/x - Step 3: Cross multiply
178,276.75x = 246,023.80 × 97,702.50 - Step 4: Simplify right side
178,276.75x = 24,037,140,997.83 - Step 5: Solve for x
x = 24,037,140,997.83/178,276.75 - Step 6: Final answer
x = 134,830.49
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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.