Finding the Fourth Proportional to 406,340.08, 609,634.92 and 181,889.68
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Solution
The fourth proportional to 406,340.08, 609,634.92 and 181,889.68 is: 272,890.38
Step by Step Solution
- Step 1: Write the proportion equation
406,340.08 : 609,634.92 = 181,889.68 : x - Step 2: Convert to fraction form
406,340.08/609,634.92 = 181,889.68/x - Step 3: Cross multiply
406,340.08x = 609,634.92 × 181,889.68 - Step 4: Simplify right side
406,340.08x = 110,886,300,515.63 - Step 5: Solve for x
x = 110,886,300,515.63/406,340.08 - Step 6: Final answer
x = 272,890.38
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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.