Finding the Fourth Proportional to 178,865.88, 246,781.08 and 107,219.76
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Solution
The fourth proportional to 178,865.88, 246,781.08 and 107,219.76 is: 147,931.00
Step by Step Solution
- Step 1: Write the proportion equation
178,865.88 : 246,781.08 = 107,219.76 : x - Step 2: Convert to fraction form
178,865.88/246,781.08 = 107,219.76/x - Step 3: Cross multiply
178,865.88x = 246,781.08 × 107,219.76 - Step 4: Simplify right side
178,865.88x = 26,459,808,170.14 - Step 5: Solve for x
x = 26,459,808,170.14/178,865.88 - Step 6: Final answer
x = 147,931.00
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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.