Finding the Fourth Proportional to 429,057.21, 592,098.93 and 238,071.99
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Solution
The fourth proportional to 429,057.21, 592,098.93 and 238,071.99 is: 328,539.34
Step by Step Solution
- Step 1: Write the proportion equation
429,057.21 : 592,098.93 = 238,071.99 : x - Step 2: Convert to fraction form
429,057.21/592,098.93 = 238,071.99/x - Step 3: Cross multiply
429,057.21x = 592,098.93 × 238,071.99 - Step 4: Simplify right side
429,057.21x = 140,962,170,541.97 - Step 5: Solve for x
x = 140,962,170,541.97/429,057.21 - Step 6: Final answer
x = 328,539.34
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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.