Finding the Fourth Proportional to 395,398.98, 545,783.67 and 240,349.74
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Solution
The fourth proportional to 395,398.98, 545,783.67 and 240,349.74 is: 331,763.53
Step by Step Solution
- Step 1: Write the proportion equation
395,398.98 : 545,783.67 = 240,349.74 : x - Step 2: Convert to fraction form
395,398.98/545,783.67 = 240,349.74/x - Step 3: Cross multiply
395,398.98x = 545,783.67 × 240,349.74 - Step 4: Simplify right side
395,398.98x = 131,178,963,180.75 - Step 5: Solve for x
x = 131,178,963,180.75/395,398.98 - Step 6: Final answer
x = 331,763.53
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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.