Finding the Fourth Proportional to 318,130.34, 439,028.25 and 174,893.99
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Solution
The fourth proportional to 318,130.34, 439,028.25 and 174,893.99 is: 241,358.31
Step by Step Solution
- Step 1: Write the proportion equation
318,130.34 : 439,028.25 = 174,893.99 : x - Step 2: Convert to fraction form
318,130.34/439,028.25 = 174,893.99/x - Step 3: Cross multiply
318,130.34x = 439,028.25 × 174,893.99 - Step 4: Simplify right side
318,130.34x = 76,783,402,365.22 - Step 5: Solve for x
x = 76,783,402,365.22/318,130.34 - Step 6: Final answer
x = 241,358.31
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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.