Finding the Fourth Proportional to 423,788.68, 635,679.14 and 170,890.08
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Solution
The fourth proportional to 423,788.68, 635,679.14 and 170,890.08 is: 256,333.56
Step by Step Solution
- Step 1: Write the proportion equation
423,788.68 : 635,679.14 = 170,890.08 : x - Step 2: Convert to fraction form
423,788.68/635,679.14 = 170,890.08/x - Step 3: Cross multiply
423,788.68x = 635,679.14 × 170,890.08 - Step 4: Simplify right side
423,788.68x = 108,631,259,088.93 - Step 5: Solve for x
x = 108,631,259,088.93/423,788.68 - Step 6: Final answer
x = 256,333.56
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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.