Finding the Fourth Proportional to 257,579.24, 386,364.60 and 70,590.74
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Solution
The fourth proportional to 257,579.24, 386,364.60 and 70,590.74 is: 105,884.94
Step by Step Solution
- Step 1: Write the proportion equation
257,579.24 : 386,364.60 = 70,590.74 : x - Step 2: Convert to fraction form
257,579.24/386,364.60 = 70,590.74/x - Step 3: Cross multiply
257,579.24x = 386,364.60 × 70,590.74 - Step 4: Simplify right side
257,579.24x = 27,273,761,091.98 - Step 5: Solve for x
x = 27,273,761,091.98/257,579.24 - Step 6: Final answer
x = 105,884.94
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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.