Finding the Fourth Proportional to 350,881.23, 484,215.73 and 189,735.87
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Solution
The fourth proportional to 350,881.23, 484,215.73 and 189,735.87 is: 261,835.30
Step by Step Solution
- Step 1: Write the proportion equation
350,881.23 : 484,215.73 = 189,735.87 : x - Step 2: Convert to fraction form
350,881.23/484,215.73 = 189,735.87/x - Step 3: Cross multiply
350,881.23x = 484,215.73 × 189,735.87 - Step 4: Simplify right side
350,881.23x = 91,873,092,799.24 - Step 5: Solve for x
x = 91,873,092,799.24/350,881.23 - Step 6: Final answer
x = 261,835.30
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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.