Finding the Fourth Proportional to 411,973.99, 617,234.21 and 360,802.03
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Solution
The fourth proportional to 411,973.99, 617,234.21 and 360,802.03 is: 540,566.54
Step by Step Solution
- Step 1: Write the proportion equation
411,973.99 : 617,234.21 = 360,802.03 : x - Step 2: Convert to fraction form
411,973.99/617,234.21 = 360,802.03/x - Step 3: Cross multiply
411,973.99x = 617,234.21 × 360,802.03 - Step 4: Simplify right side
411,973.99x = 222,699,354,149.44 - Step 5: Solve for x
x = 222,699,354,149.44/411,973.99 - Step 6: Final answer
x = 540,566.54
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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.