Finding the Fourth Proportional to 487,373.79, 731,070.71 and 150,414.65
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Solution
The fourth proportional to 487,373.79, 731,070.71 and 150,414.65 is: 225,625.07
Step by Step Solution
- Step 1: Write the proportion equation
487,373.79 : 731,070.71 = 150,414.65 : x - Step 2: Convert to fraction form
487,373.79/731,070.71 = 150,414.65/x - Step 3: Cross multiply
487,373.79x = 731,070.71 × 150,414.65 - Step 4: Simplify right side
487,373.79x = 109,963,743,868.05 - Step 5: Solve for x
x = 109,963,743,868.05/487,373.79 - Step 6: Final answer
x = 225,625.07
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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.