Finding the Fourth Proportional to 400,079.26, 552,159.81 and 262,373.99
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Solution
The fourth proportional to 400,079.26, 552,159.81 and 262,373.99 is: 362,109.18
Step by Step Solution
- Step 1: Write the proportion equation
400,079.26 : 552,159.81 = 262,373.99 : x - Step 2: Convert to fraction form
400,079.26/552,159.81 = 262,373.99/x - Step 3: Cross multiply
400,079.26x = 552,159.81 × 262,373.99 - Step 4: Simplify right side
400,079.26x = 144,872,373,847.74 - Step 5: Solve for x
x = 144,872,373,847.74/400,079.26 - Step 6: Final answer
x = 362,109.18
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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.