Finding the Fourth Proportional to 605,248.20, 908,309.70 and 338,725.80
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Solution
The fourth proportional to 605,248.20, 908,309.70 and 338,725.80 is: 508,333.49
Step by Step Solution
- Step 1: Write the proportion equation
605,248.20 : 908,309.70 = 338,725.80 : x - Step 2: Convert to fraction form
605,248.20/908,309.70 = 338,725.80/x - Step 3: Cross multiply
605,248.20x = 908,309.70 × 338,725.80 - Step 4: Simplify right side
605,248.20x = 307,667,929,780.26 - Step 5: Solve for x
x = 307,667,929,780.26/605,248.20 - Step 6: Final answer
x = 508,333.49
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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.