Finding the Fourth Proportional to 406,423.44, 609,537.12 and 169,637.76
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Solution
The fourth proportional to 406,423.44, 609,537.12 and 169,637.76 is: 254,415.72
Step by Step Solution
- Step 1: Write the proportion equation
406,423.44 : 609,537.12 = 169,637.76 : x - Step 2: Convert to fraction form
406,423.44/609,537.12 = 169,637.76/x - Step 3: Cross multiply
406,423.44x = 609,537.12 × 169,637.76 - Step 4: Simplify right side
406,423.44x = 103,400,511,673.65 - Step 5: Solve for x
x = 103,400,511,673.65/406,423.44 - Step 6: Final answer
x = 254,415.72
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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.