Finding the Fourth Proportional to 377,241.71, 520,590.97 and 213,929.07
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Solution
The fourth proportional to 377,241.71, 520,590.97 and 213,929.07 is: 295,220.66
Step by Step Solution
- Step 1: Write the proportion equation
377,241.71 : 520,590.97 = 213,929.07 : x - Step 2: Convert to fraction form
377,241.71/520,590.97 = 213,929.07/x - Step 3: Cross multiply
377,241.71x = 520,590.97 × 213,929.07 - Step 4: Simplify right side
377,241.71x = 111,369,545,371.86 - Step 5: Solve for x
x = 111,369,545,371.86/377,241.71 - Step 6: Final answer
x = 295,220.66
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1.5x scale
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.