Finding the Fourth Proportional to 485,058.65, 727,554.08 and 181,395.05
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Solution
The fourth proportional to 485,058.65, 727,554.08 and 181,395.05 is: 272,079.90
Step by Step Solution
- Step 1: Write the proportion equation
485,058.65 : 727,554.08 = 181,395.05 : x - Step 2: Convert to fraction form
485,058.65/727,554.08 = 181,395.05/x - Step 3: Cross multiply
485,058.65x = 727,554.08 × 181,395.05 - Step 4: Simplify right side
485,058.65x = 131,974,705,535.02 - Step 5: Solve for x
x = 131,974,705,535.02/485,058.65 - Step 6: Final answer
x = 272,079.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.