Finding the Fourth Proportional to 186,780.32, 257,785.71 and 110,307.68
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Solution
The fourth proportional to 186,780.32, 257,785.71 and 110,307.68 is: 152,241.65
Step by Step Solution
- Step 1: Write the proportion equation
186,780.32 : 257,785.71 = 110,307.68 : x - Step 2: Convert to fraction form
186,780.32/257,785.71 = 110,307.68/x - Step 3: Cross multiply
186,780.32x = 257,785.71 × 110,307.68 - Step 4: Simplify right side
186,780.32x = 28,435,743,607.25 - Step 5: Solve for x
x = 28,435,743,607.25/186,780.32 - Step 6: Final answer
x = 152,241.65
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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.