Finding the Fourth Proportional to 224,058.81, 309,197.27 and 122,085.11
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Solution
The fourth proportional to 224,058.81, 309,197.27 and 122,085.11 is: 168,475.32
Step by Step Solution
- Step 1: Write the proportion equation
224,058.81 : 309,197.27 = 122,085.11 : x - Step 2: Convert to fraction form
224,058.81/309,197.27 = 122,085.11/x - Step 3: Cross multiply
224,058.81x = 309,197.27 × 122,085.11 - Step 4: Simplify right side
224,058.81x = 37,748,380,563.24 - Step 5: Solve for x
x = 37,748,380,563.24/224,058.81 - Step 6: Final answer
x = 168,475.32
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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.