Finding the Fourth Proportional to 211,774.24, 292,208.34 and 143,845.48
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Solution
The fourth proportional to 211,774.24, 292,208.34 and 143,845.48 is: 198,479.52
Step by Step Solution
- Step 1: Write the proportion equation
211,774.24 : 292,208.34 = 143,845.48 : x - Step 2: Convert to fraction form
211,774.24/292,208.34 = 143,845.48/x - Step 3: Cross multiply
211,774.24x = 292,208.34 × 143,845.48 - Step 4: Simplify right side
211,774.24x = 42,032,848,927.30 - Step 5: Solve for x
x = 42,032,848,927.30/211,774.24 - Step 6: Final answer
x = 198,479.52
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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.