Finding the Fourth Proportional to 259,577.40, 358,293.42 and 152,170.68
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Solution
The fourth proportional to 259,577.40, 358,293.42 and 152,170.68 is: 210,040.45
Step by Step Solution
- Step 1: Write the proportion equation
259,577.40 : 358,293.42 = 152,170.68 : x - Step 2: Convert to fraction form
259,577.40/358,293.42 = 152,170.68/x - Step 3: Cross multiply
259,577.40x = 358,293.42 × 152,170.68 - Step 4: Simplify right side
259,577.40x = 54,521,753,360.93 - Step 5: Solve for x
x = 54,521,753,360.93/259,577.40 - Step 6: Final answer
x = 210,040.45
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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.