Finding the Fourth Proportional to 338,753.68, 508,149.96 and 102,071.68
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Solution
The fourth proportional to 338,753.68, 508,149.96 and 102,071.68 is: 153,113.38
Step by Step Solution
- Step 1: Write the proportion equation
338,753.68 : 508,149.96 = 102,071.68 : x - Step 2: Convert to fraction form
338,753.68/508,149.96 = 102,071.68/x - Step 3: Cross multiply
338,753.68x = 508,149.96 × 102,071.68 - Step 4: Simplify right side
338,753.68x = 51,867,720,109.13 - Step 5: Solve for x
x = 51,867,720,109.13/338,753.68 - Step 6: Final answer
x = 153,113.38
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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.