Finding the Fourth Proportional to 257,535.24, 386,358.24 and 86,773.92
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Solution
The fourth proportional to 257,535.24, 386,358.24 and 86,773.92 is: 130,179.54
Step by Step Solution
- Step 1: Write the proportion equation
257,535.24 : 386,358.24 = 86,773.92 : x - Step 2: Convert to fraction form
257,535.24/386,358.24 = 86,773.92/x - Step 3: Cross multiply
257,535.24x = 386,358.24 × 86,773.92 - Step 4: Simplify right side
257,535.24x = 33,525,819,009.10 - Step 5: Solve for x
x = 33,525,819,009.10/257,535.24 - Step 6: Final answer
x = 130,179.54
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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.