Finding the Fourth Proportional to 199,747.68, 275,762.52 and 136,178.88
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Solution
The fourth proportional to 199,747.68, 275,762.52 and 136,178.88 is: 188,002.34
Step by Step Solution
- Step 1: Write the proportion equation
199,747.68 : 275,762.52 = 136,178.88 : x - Step 2: Convert to fraction form
199,747.68/275,762.52 = 136,178.88/x - Step 3: Cross multiply
199,747.68x = 275,762.52 × 136,178.88 - Step 4: Simplify right side
199,747.68x = 37,553,031,119.58 - Step 5: Solve for x
x = 37,553,031,119.58/199,747.68 - Step 6: Final answer
x = 188,002.34
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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.