Finding the Fourth Proportional to 470,164.91, 648,817.29 and 255,303.09
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Solution
The fourth proportional to 470,164.91, 648,817.29 and 255,303.09 is: 352,312.68
Step by Step Solution
- Step 1: Write the proportion equation
470,164.91 : 648,817.29 = 255,303.09 : x - Step 2: Convert to fraction form
470,164.91/648,817.29 = 255,303.09/x - Step 3: Cross multiply
470,164.91x = 648,817.29 × 255,303.09 - Step 4: Simplify right side
470,164.91x = 165,645,058,982.43 - Step 5: Solve for x
x = 165,645,058,982.43/470,164.91 - Step 6: Final answer
x = 352,312.68
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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.