Finding the Fourth Proportional to 257,334.01, 355,135.11 and 142,610.24
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Solution
The fourth proportional to 257,334.01, 355,135.11 and 142,610.24 is: 196,809.99
Step by Step Solution
- Step 1: Write the proportion equation
257,334.01 : 355,135.11 = 142,610.24 : x - Step 2: Convert to fraction form
257,334.01/355,135.11 = 142,610.24/x - Step 3: Cross multiply
257,334.01x = 355,135.11 × 142,610.24 - Step 4: Simplify right side
257,334.01x = 50,645,903,269.53 - Step 5: Solve for x
x = 50,645,903,269.53/257,334.01 - Step 6: Final answer
x = 196,809.99
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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.