Finding the Fourth Proportional to 462,725.19, 638,593.31 and 258,795.09
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Solution
The fourth proportional to 462,725.19, 638,593.31 and 258,795.09 is: 357,155.43
Step by Step Solution
- Step 1: Write the proportion equation
462,725.19 : 638,593.31 = 258,795.09 : x - Step 2: Convert to fraction form
462,725.19/638,593.31 = 258,795.09/x - Step 3: Cross multiply
462,725.19x = 638,593.31 × 258,795.09 - Step 4: Simplify right side
462,725.19x = 165,264,813,781.84 - Step 5: Solve for x
x = 165,264,813,781.84/462,725.19 - Step 6: Final answer
x = 357,155.43
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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.