Finding the Fourth Proportional to 338,689.68, 508,053.96 and 102,007.68
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Solution
The fourth proportional to 338,689.68, 508,053.96 and 102,007.68 is: 153,017.38
Step by Step Solution
- Step 1: Write the proportion equation
338,689.68 : 508,053.96 = 102,007.68 : x - Step 2: Convert to fraction form
338,689.68/508,053.96 = 102,007.68/x - Step 3: Cross multiply
338,689.68x = 508,053.96 × 102,007.68 - Step 4: Simplify right side
338,689.68x = 51,825,405,774.41 - Step 5: Solve for x
x = 51,825,405,774.41/338,689.68 - Step 6: Final answer
x = 153,017.38
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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.