Finding the Fourth Proportional to 417,158.13, 575,642.79 and 235,844.91
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Solution
The fourth proportional to 417,158.13, 575,642.79 and 235,844.91 is: 325,445.95
Step by Step Solution
- Step 1: Write the proportion equation
417,158.13 : 575,642.79 = 235,844.91 : x - Step 2: Convert to fraction form
417,158.13/575,642.79 = 235,844.91/x - Step 3: Cross multiply
417,158.13x = 575,642.79 × 235,844.91 - Step 4: Simplify right side
417,158.13x = 135,762,421,999.70 - Step 5: Solve for x
x = 135,762,421,999.70/417,158.13 - Step 6: Final answer
x = 325,445.95
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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.