Finding the Fourth Proportional to 260,776.70, 391,417.32 and 125,935.28
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Solution
The fourth proportional to 260,776.70, 391,417.32 and 125,935.28 is: 189,024.75
Step by Step Solution
- Step 1: Write the proportion equation
260,776.70 : 391,417.32 = 125,935.28 : x - Step 2: Convert to fraction form
260,776.70/391,417.32 = 125,935.28/x - Step 3: Cross multiply
260,776.70x = 391,417.32 × 125,935.28 - Step 4: Simplify right side
260,776.70x = 49,293,249,791.05 - Step 5: Solve for x
x = 49,293,249,791.05/260,776.70 - Step 6: Final answer
x = 189,024.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.