Finding the Fourth Proportional to 309,935.80, 464,903.70 and 270,569.80
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Solution
The fourth proportional to 309,935.80, 464,903.70 and 270,569.80 is: 405,854.70
Step by Step Solution
- Step 1: Write the proportion equation
309,935.80 : 464,903.70 = 270,569.80 : x - Step 2: Convert to fraction form
309,935.80/464,903.70 = 270,569.80/x - Step 3: Cross multiply
309,935.80x = 464,903.70 × 270,569.80 - Step 4: Simplify right side
309,935.80x = 125,788,901,128.26 - Step 5: Solve for x
x = 125,788,901,128.26/309,935.80 - Step 6: Final answer
x = 405,854.70
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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.