Finding the Fourth Proportional to 260,057.99, 390,199.68 and 91,698.59
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Solution
The fourth proportional to 260,057.99, 390,199.68 and 91,698.59 is: 137,587.62
Step by Step Solution
- Step 1: Write the proportion equation
260,057.99 : 390,199.68 = 91,698.59 : x - Step 2: Convert to fraction form
260,057.99/390,199.68 = 91,698.59/x - Step 3: Cross multiply
260,057.99x = 390,199.68 × 91,698.59 - Step 4: Simplify right side
260,057.99x = 35,780,758,523.45 - Step 5: Solve for x
x = 35,780,758,523.45/260,057.99 - Step 6: Final answer
x = 137,587.62
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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.