Finding the Fourth Proportional to 318,460.24, 439,466.08 and 175,220.40
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Solution
The fourth proportional to 318,460.24, 439,466.08 and 175,220.40 is: 241,799.17
Step by Step Solution
- Step 1: Write the proportion equation
318,460.24 : 439,466.08 = 175,220.40 : x - Step 2: Convert to fraction form
318,460.24/439,466.08 = 175,220.40/x - Step 3: Cross multiply
318,460.24x = 439,466.08 × 175,220.40 - Step 4: Simplify right side
318,460.24x = 77,003,422,324.03 - Step 5: Solve for x
x = 77,003,422,324.03/318,460.24 - Step 6: Final answer
x = 241,799.17
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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.