Finding the Fourth Proportional to 318,181.14, 439,078.74 and 174,940.07
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Solution
The fourth proportional to 318,181.14, 439,078.74 and 174,940.07 is: 241,411.12
Step by Step Solution
- Step 1: Write the proportion equation
318,181.14 : 439,078.74 = 174,940.07 : x - Step 2: Convert to fraction form
318,181.14/439,078.74 = 174,940.07/x - Step 3: Cross multiply
318,181.14x = 439,078.74 × 174,940.07 - Step 4: Simplify right side
318,181.14x = 76,812,464,962.26 - Step 5: Solve for x
x = 76,812,464,962.26/318,181.14 - Step 6: Final answer
x = 241,411.12
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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.