Finding the Fourth Proportional to 319,165.47, 440,451.36 and 175,930.68
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Solution
The fourth proportional to 319,165.47, 440,451.36 and 175,930.68 is: 242,786.00
Step by Step Solution
- Step 1: Write the proportion equation
319,165.47 : 440,451.36 = 175,930.68 : x - Step 2: Convert to fraction form
319,165.47/440,451.36 = 175,930.68/x - Step 3: Cross multiply
319,165.47x = 440,451.36 × 175,930.68 - Step 4: Simplify right side
319,165.47x = 77,488,907,271.72 - Step 5: Solve for x
x = 77,488,907,271.72/319,165.47 - Step 6: Final answer
x = 242,786.00
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1.5x scale
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.