Finding the Fourth Proportional to 163,130.24, 224,881.44 and 115,299.20
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Solution
The fourth proportional to 163,130.24, 224,881.44 and 115,299.20 is: 158,944.47
Step by Step Solution
- Step 1: Write the proportion equation
163,130.24 : 224,881.44 = 115,299.20 : x - Step 2: Convert to fraction form
163,130.24/224,881.44 = 115,299.20/x - Step 3: Cross multiply
163,130.24x = 224,881.44 × 115,299.20 - Step 4: Simplify right side
163,130.24x = 25,928,650,126.85 - Step 5: Solve for x
x = 25,928,650,126.85/163,130.24 - Step 6: Final answer
x = 158,944.47
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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.