Finding the Fourth Proportional to 254,709.24, 382,041.84 and 86,225.96
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Solution
The fourth proportional to 254,709.24, 382,041.84 and 86,225.96 is: 129,331.49
Step by Step Solution
- Step 1: Write the proportion equation
254,709.24 : 382,041.84 = 86,225.96 : x - Step 2: Convert to fraction form
254,709.24/382,041.84 = 86,225.96/x - Step 3: Cross multiply
254,709.24x = 382,041.84 × 86,225.96 - Step 4: Simplify right side
254,709.24x = 32,941,924,414.17 - Step 5: Solve for x
x = 32,941,924,414.17/254,709.24 - Step 6: Final answer
x = 129,331.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.