Finding the Fourth Proportional to 689,573.98, 1,034,361.15 and 190,937.98
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Solution
The fourth proportional to 689,573.98, 1,034,361.15 and 190,937.98 is: 286,407.02
Step by Step Solution
- Step 1: Write the proportion equation
689,573.98 : 1,034,361.15 = 190,937.98 : x - Step 2: Convert to fraction form
689,573.98/1,034,361.15 = 190,937.98/x - Step 3: Cross multiply
689,573.98x = 1,034,361.15 × 190,937.98 - Step 4: Simplify right side
689,573.98x = 197,498,828,571.48 - Step 5: Solve for x
x = 197,498,828,571.48/689,573.98 - Step 6: Final answer
x = 286,407.02
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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.