Finding the Fourth Proportional to 178,276.09, 246,021.36 and 97,706.61
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Solution
The fourth proportional to 178,276.09, 246,021.36 and 97,706.61 is: 134,835.32
Step by Step Solution
- Step 1: Write the proportion equation
178,276.09 : 246,021.36 = 97,706.61 : x - Step 2: Convert to fraction form
178,276.09/246,021.36 = 97,706.61/x - Step 3: Cross multiply
178,276.09x = 246,021.36 × 97,706.61 - Step 4: Simplify right side
178,276.09x = 24,037,913,073.19 - Step 5: Solve for x
x = 24,037,913,073.19/178,276.09 - Step 6: Final answer
x = 134,835.32
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1.5x scale
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.