Finding the Fourth Proportional to 438,405.44, 604,934.62 and 266,233.86
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Solution
The fourth proportional to 438,405.44, 604,934.62 and 266,233.86 is: 367,363.32
Step by Step Solution
- Step 1: Write the proportion equation
438,405.44 : 604,934.62 = 266,233.86 : x - Step 2: Convert to fraction form
438,405.44/604,934.62 = 266,233.86/x - Step 3: Cross multiply
438,405.44x = 604,934.62 × 266,233.86 - Step 4: Simplify right side
438,405.44x = 161,054,078,930.23 - Step 5: Solve for x
x = 161,054,078,930.23/438,405.44 - Step 6: Final answer
x = 367,363.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.