Finding the Fourth Proportional to 439,377.62, 606,312.52 and 245,751.79
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Solution
The fourth proportional to 439,377.62, 606,312.52 and 245,751.79 is: 339,121.48
Step by Step Solution
- Step 1: Write the proportion equation
439,377.62 : 606,312.52 = 245,751.79 : x - Step 2: Convert to fraction form
439,377.62/606,312.52 = 245,751.79/x - Step 3: Cross multiply
439,377.62x = 606,312.52 × 245,751.79 - Step 4: Simplify right side
439,377.62x = 149,002,387,089.41 - Step 5: Solve for x
x = 149,002,387,089.41/439,377.62 - Step 6: Final answer
x = 339,121.48
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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.