Finding the Fourth Proportional to 254,130.84, 350,691.66 and 140,964.12
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Solution
The fourth proportional to 254,130.84, 350,691.66 and 140,964.12 is: 194,525.55
Step by Step Solution
- Step 1: Write the proportion equation
254,130.84 : 350,691.66 = 140,964.12 : x - Step 2: Convert to fraction form
254,130.84/350,691.66 = 140,964.12/x - Step 3: Cross multiply
254,130.84x = 350,691.66 × 140,964.12 - Step 4: Simplify right side
254,130.84x = 49,434,941,243.24 - Step 5: Solve for x
x = 49,434,941,243.24/254,130.84 - Step 6: Final answer
x = 194,525.55
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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.