Finding the Fourth Proportional to 407,735.28, 611,332.92 and 194,536.08
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Solution
The fourth proportional to 407,735.28, 611,332.92 and 194,536.08 is: 291,675.30
Step by Step Solution
- Step 1: Write the proportion equation
407,735.28 : 611,332.92 = 194,536.08 : x - Step 2: Convert to fraction form
407,735.28/611,332.92 = 194,536.08/x - Step 3: Cross multiply
407,735.28x = 611,332.92 × 194,536.08 - Step 4: Simplify right side
407,735.28x = 118,926,309,831.75 - Step 5: Solve for x
x = 118,926,309,831.75/407,735.28 - Step 6: Final answer
x = 291,675.30
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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.