Finding the Fourth Proportional to 176,720.13, 243,873.78 and 97,232.13
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Solution
The fourth proportional to 176,720.13, 243,873.78 and 97,232.13 is: 134,180.34
Step by Step Solution
- Step 1: Write the proportion equation
176,720.13 : 243,873.78 = 97,232.13 : x - Step 2: Convert to fraction form
176,720.13/243,873.78 = 97,232.13/x - Step 3: Cross multiply
176,720.13x = 243,873.78 × 97,232.13 - Step 4: Simplify right side
176,720.13x = 23,712,367,080.55 - Step 5: Solve for x
x = 23,712,367,080.55/176,720.13 - Step 6: Final answer
x = 134,180.34
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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.