Finding the Fourth Proportional to 429,807.51, 593,122.64 and 238,815.99
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Solution
The fourth proportional to 429,807.51, 593,122.64 and 238,815.99 is: 329,559.55
Step by Step Solution
- Step 1: Write the proportion equation
429,807.51 : 593,122.64 = 238,815.99 : x - Step 2: Convert to fraction form
429,807.51/593,122.64 = 238,815.99/x - Step 3: Cross multiply
429,807.51x = 593,122.64 × 238,815.99 - Step 4: Simplify right side
429,807.51x = 141,647,169,268.93 - Step 5: Solve for x
x = 141,647,169,268.93/429,807.51 - Step 6: Final answer
x = 329,559.55
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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.