Finding the Fourth Proportional to 178,426.16, 246,210.36 and 102,998.96
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Solution
The fourth proportional to 178,426.16, 246,210.36 and 102,998.96 is: 142,128.32
Step by Step Solution
- Step 1: Write the proportion equation
178,426.16 : 246,210.36 = 102,998.96 : x - Step 2: Convert to fraction form
178,426.16/246,210.36 = 102,998.96/x - Step 3: Cross multiply
178,426.16x = 246,210.36 × 102,998.96 - Step 4: Simplify right side
178,426.16x = 25,359,411,021.23 - Step 5: Solve for x
x = 25,359,411,021.23/178,426.16 - Step 6: Final answer
x = 142,128.32
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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.