Finding the Fourth Proportional to 319,525.20, 440,937.41 and 176,285.21
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Solution
The fourth proportional to 319,525.20, 440,937.41 and 176,285.21 is: 243,269.52
Step by Step Solution
- Step 1: Write the proportion equation
319,525.20 : 440,937.41 = 176,285.21 : x - Step 2: Convert to fraction form
319,525.20/440,937.41 = 176,285.21/x - Step 3: Cross multiply
319,525.20x = 440,937.41 × 176,285.21 - Step 4: Simplify right side
319,525.20x = 77,730,740,832.59 - Step 5: Solve for x
x = 77,730,740,832.59/319,525.20 - Step 6: Final answer
x = 243,269.52
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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.