Finding the Fourth Proportional to 187,511.98, 258,767.21 and 101,470.95
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Solution
The fourth proportional to 187,511.98, 258,767.21 and 101,470.95 is: 140,030.28
Step by Step Solution
- Step 1: Write the proportion equation
187,511.98 : 258,767.21 = 101,470.95 : x - Step 2: Convert to fraction form
187,511.98/258,767.21 = 101,470.95/x - Step 3: Cross multiply
187,511.98x = 258,767.21 × 101,470.95 - Step 4: Simplify right side
187,511.98x = 26,257,354,881.23 - Step 5: Solve for x
x = 26,257,354,881.23/187,511.98 - Step 6: Final answer
x = 140,030.28
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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.