Finding the Fourth Proportional to 341,869.74, 512,648.68 and 142,071.09
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Solution
The fourth proportional to 341,869.74, 512,648.68 and 142,071.09 is: 213,041.84
Step by Step Solution
- Step 1: Write the proportion equation
341,869.74 : 512,648.68 = 142,071.09 : x - Step 2: Convert to fraction form
341,869.74/512,648.68 = 142,071.09/x - Step 3: Cross multiply
341,869.74x = 512,648.68 × 142,071.09 - Step 4: Simplify right side
341,869.74x = 72,832,556,754.66 - Step 5: Solve for x
x = 72,832,556,754.66/341,869.74 - Step 6: Final answer
x = 213,041.84
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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.