Finding the Fourth Proportional to 178,560.96, 246,417.84 and 97,983.78
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Solution
The fourth proportional to 178,560.96, 246,417.84 and 97,983.78 is: 135,219.66
Step by Step Solution
- Step 1: Write the proportion equation
178,560.96 : 246,417.84 = 97,983.78 : x - Step 2: Convert to fraction form
178,560.96/246,417.84 = 97,983.78/x - Step 3: Cross multiply
178,560.96x = 246,417.84 × 97,983.78 - Step 4: Simplify right side
178,560.96x = 24,144,951,422.64 - Step 5: Solve for x
x = 24,144,951,422.64/178,560.96 - Step 6: Final answer
x = 135,219.66
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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.