Finding the Fourth Proportional to 319,022.53, 440,270.74 and 175,782.53
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Solution
The fourth proportional to 319,022.53, 440,270.74 and 175,782.53 is: 242,590.72
Step by Step Solution
- Step 1: Write the proportion equation
319,022.53 : 440,270.74 = 175,782.53 : x - Step 2: Convert to fraction form
319,022.53/440,270.74 = 175,782.53/x - Step 3: Cross multiply
319,022.53x = 440,270.74 × 175,782.53 - Step 4: Simplify right side
319,022.53x = 77,391,905,882.58 - Step 5: Solve for x
x = 77,391,905,882.58/319,022.53 - Step 6: Final answer
x = 242,590.72
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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.