Finding the Fourth Proportional to 178,967.68, 246,977.06 and 98,395.78
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Solution
The fourth proportional to 178,967.68, 246,977.06 and 98,395.78 is: 135,787.09
Step by Step Solution
- Step 1: Write the proportion equation
178,967.68 : 246,977.06 = 98,395.78 : x - Step 2: Convert to fraction form
178,967.68/246,977.06 = 98,395.78/x - Step 3: Cross multiply
178,967.68x = 246,977.06 × 98,395.78 - Step 4: Simplify right side
178,967.68x = 24,301,500,460.81 - Step 5: Solve for x
x = 24,301,500,460.81/178,967.68 - Step 6: Final answer
x = 135,787.09
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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.