Finding the Fourth Proportional to 193,103.08, 266,482.58 and 108,220.14
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Solution
The fourth proportional to 193,103.08, 266,482.58 and 108,220.14 is: 149,343.98
Step by Step Solution
- Step 1: Write the proportion equation
193,103.08 : 266,482.58 = 108,220.14 : x - Step 2: Convert to fraction form
193,103.08/266,482.58 = 108,220.14/x - Step 3: Cross multiply
193,103.08x = 266,482.58 × 108,220.14 - Step 4: Simplify right side
193,103.08x = 28,838,782,115.16 - Step 5: Solve for x
x = 28,838,782,115.16/193,103.08 - Step 6: Final answer
x = 149,343.98
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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.