Finding the Fourth Proportional to 412,989.42, 570,125.63 and 276,973.62
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Solution
The fourth proportional to 412,989.42, 570,125.63 and 276,973.62 is: 382,357.88
Step by Step Solution
- Step 1: Write the proportion equation
412,989.42 : 570,125.63 = 276,973.62 : x - Step 2: Convert to fraction form
412,989.42/570,125.63 = 276,973.62/x - Step 3: Cross multiply
412,989.42x = 570,125.63 × 276,973.62 - Step 4: Simplify right side
412,989.42x = 157,909,759,595.88 - Step 5: Solve for x
x = 157,909,759,595.88/412,989.42 - Step 6: Final answer
x = 382,357.88
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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.