Finding the Fourth Proportional to 178,430.93, 246,237.83 and 97,857.75
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Solution
The fourth proportional to 178,430.93, 246,237.83 and 97,857.75 is: 135,045.42
Step by Step Solution
- Step 1: Write the proportion equation
178,430.93 : 246,237.83 = 97,857.75 : x - Step 2: Convert to fraction form
178,430.93/246,237.83 = 97,857.75/x - Step 3: Cross multiply
178,430.93x = 246,237.83 × 97,857.75 - Step 4: Simplify right side
178,430.93x = 24,096,280,008.68 - Step 5: Solve for x
x = 24,096,280,008.68/178,430.93 - Step 6: Final answer
x = 135,045.42
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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.