Finding the Fourth Proportional to 306,848.17, 423,447.06 and 170,879.14
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Solution
The fourth proportional to 306,848.17, 423,447.06 and 170,879.14 is: 235,811.31
Step by Step Solution
- Step 1: Write the proportion equation
306,848.17 : 423,447.06 = 170,879.14 : x - Step 2: Convert to fraction form
306,848.17/423,447.06 = 170,879.14/x - Step 3: Cross multiply
306,848.17x = 423,447.06 × 170,879.14 - Step 4: Simplify right side
306,848.17x = 72,358,269,448.33 - Step 5: Solve for x
x = 72,358,269,448.33/306,848.17 - Step 6: Final answer
x = 235,811.31
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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.