Finding the Fourth Proportional to 286,304.68, 429,289.26 and 191,642.68
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Solution
The fourth proportional to 286,304.68, 429,289.26 and 191,642.68 is: 287,351.73
Step by Step Solution
- Step 1: Write the proportion equation
286,304.68 : 429,289.26 = 191,642.68 : x - Step 2: Convert to fraction form
286,304.68/429,289.26 = 191,642.68/x - Step 3: Cross multiply
286,304.68x = 429,289.26 × 191,642.68 - Step 4: Simplify right side
286,304.68x = 82,270,144,281.62 - Step 5: Solve for x
x = 82,270,144,281.62/286,304.68 - Step 6: Final answer
x = 287,351.73
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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.