Finding the Fourth Proportional to 520,202.79, 780,304.17 and 146,225.79
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Solution
The fourth proportional to 520,202.79, 780,304.17 and 146,225.79 is: 219,338.68
Step by Step Solution
- Step 1: Write the proportion equation
520,202.79 : 780,304.17 = 146,225.79 : x - Step 2: Convert to fraction form
520,202.79/780,304.17 = 146,225.79/x - Step 3: Cross multiply
520,202.79x = 780,304.17 × 146,225.79 - Step 4: Simplify right side
520,202.79x = 114,100,593,698.54 - Step 5: Solve for x
x = 114,100,593,698.54/520,202.79 - Step 6: Final answer
x = 219,338.68
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1.5x scale
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.