Finding the Fourth Proportional to 319,041.09, 440,285.97 and 175,810.38
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Solution
The fourth proportional to 319,041.09, 440,285.97 and 175,810.38 is: 242,623.43
Step by Step Solution
- Step 1: Write the proportion equation
319,041.09 : 440,285.97 = 175,810.38 : x - Step 2: Convert to fraction form
319,041.09/440,285.97 = 175,810.38/x - Step 3: Cross multiply
319,041.09x = 440,285.97 × 175,810.38 - Step 4: Simplify right side
319,041.09x = 77,406,843,694.37 - Step 5: Solve for x
x = 77,406,843,694.37/319,041.09 - Step 6: Final answer
x = 242,623.43
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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.