Finding the Fourth Proportional to 342,605.19, 513,904.80 and 267,788.19
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Solution
The fourth proportional to 342,605.19, 513,904.80 and 267,788.19 is: 401,679.95
Step by Step Solution
- Step 1: Write the proportion equation
342,605.19 : 513,904.80 = 267,788.19 : x - Step 2: Convert to fraction form
342,605.19/513,904.80 = 267,788.19/x - Step 3: Cross multiply
342,605.19x = 513,904.80 × 267,788.19 - Step 4: Simplify right side
342,605.19x = 137,617,636,224.31 - Step 5: Solve for x
x = 137,617,636,224.31/342,605.19 - Step 6: Final answer
x = 401,679.95
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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.