Finding the Fourth Proportional to 417,180.14, 575,720.74 and 235,888.12
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Solution
The fourth proportional to 417,180.14, 575,720.74 and 235,888.12 is: 325,532.47
Step by Step Solution
- Step 1: Write the proportion equation
417,180.14 : 575,720.74 = 235,888.12 : x - Step 2: Convert to fraction form
417,180.14/575,720.74 = 235,888.12/x - Step 3: Cross multiply
417,180.14x = 575,720.74 × 235,888.12 - Step 4: Simplify right side
417,180.14x = 135,805,683,003.61 - Step 5: Solve for x
x = 135,805,683,003.61/417,180.14 - Step 6: Final answer
x = 325,532.47
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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.