Finding the Fourth Proportional to 319,354.74, 440,689.32 and 183,292.96
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Solution
The fourth proportional to 319,354.74, 440,689.32 and 183,292.96 is: 252,932.68
Step by Step Solution
- Step 1: Write the proportion equation
319,354.74 : 440,689.32 = 183,292.96 : x - Step 2: Convert to fraction form
319,354.74/440,689.32 = 183,292.96/x - Step 3: Cross multiply
319,354.74x = 440,689.32 × 183,292.96 - Step 4: Simplify right side
319,354.74x = 80,775,249,903.19 - Step 5: Solve for x
x = 80,775,249,903.19/319,354.74 - Step 6: Final answer
x = 252,932.68
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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.