Finding the Fourth Proportional to 320,103.12, 441,730.40 and 176,860.08
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Solution
The fourth proportional to 320,103.12, 441,730.40 and 176,860.08 is: 244,060.33
Step by Step Solution
- Step 1: Write the proportion equation
320,103.12 : 441,730.40 = 176,860.08 : x - Step 2: Convert to fraction form
320,103.12/441,730.40 = 176,860.08/x - Step 3: Cross multiply
320,103.12x = 441,730.40 × 176,860.08 - Step 4: Simplify right side
320,103.12x = 78,124,473,882.43 - Step 5: Solve for x
x = 78,124,473,882.43/320,103.12 - Step 6: Final answer
x = 244,060.33
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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.