Finding the Fourth Proportional to 255,681.63, 383,577.80 and 97,910.09
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Solution
The fourth proportional to 255,681.63, 383,577.80 and 97,910.09 is: 146,886.33
Step by Step Solution
- Step 1: Write the proportion equation
255,681.63 : 383,577.80 = 97,910.09 : x - Step 2: Convert to fraction form
255,681.63/383,577.80 = 97,910.09/x - Step 3: Cross multiply
255,681.63x = 383,577.80 × 97,910.09 - Step 4: Simplify right side
255,681.63x = 37,556,136,920.00 - Step 5: Solve for x
x = 37,556,136,920.00/255,681.63 - Step 6: Final answer
x = 146,886.33
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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.