Finding the Fourth Proportional to 291,820.56, 402,656.36 and 177,067.76
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Solution
The fourth proportional to 291,820.56, 402,656.36 and 177,067.76 is: 244,319.52
Step by Step Solution
- Step 1: Write the proportion equation
291,820.56 : 402,656.36 = 177,067.76 : x - Step 2: Convert to fraction form
291,820.56/402,656.36 = 177,067.76/x - Step 3: Cross multiply
291,820.56x = 402,656.36 × 177,067.76 - Step 4: Simplify right side
291,820.56x = 71,297,459,714.95 - Step 5: Solve for x
x = 71,297,459,714.95/291,820.56 - Step 6: Final answer
x = 244,319.52
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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.