Finding the Fourth Proportional to 178,918.16, 246,903.86 and 98,345.70
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Solution
The fourth proportional to 178,918.16, 246,903.86 and 98,345.70 is: 135,715.31
Step by Step Solution
- Step 1: Write the proportion equation
178,918.16 : 246,903.86 = 98,345.70 : x - Step 2: Convert to fraction form
178,918.16/246,903.86 = 98,345.70/x - Step 3: Cross multiply
178,918.16x = 246,903.86 × 98,345.70 - Step 4: Simplify right side
178,918.16x = 24,281,933,190.27 - Step 5: Solve for x
x = 24,281,933,190.27/178,918.16 - Step 6: Final answer
x = 135,715.31
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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.