Finding the Fourth Proportional to 493,066.44, 680,437.26 and 278,209.08
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Solution
The fourth proportional to 493,066.44, 680,437.26 and 278,209.08 is: 383,931.67
Step by Step Solution
- Step 1: Write the proportion equation
493,066.44 : 680,437.26 = 278,209.08 : x - Step 2: Convert to fraction form
493,066.44/680,437.26 = 278,209.08/x - Step 3: Cross multiply
493,066.44x = 680,437.26 × 278,209.08 - Step 4: Simplify right side
493,066.44x = 189,303,824,102.32 - Step 5: Solve for x
x = 189,303,824,102.32/493,066.44 - Step 6: Final answer
x = 383,931.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.