Finding the Fourth Proportional to 142,444.71, 213,588.19 and 58,263.99
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Solution
The fourth proportional to 142,444.71, 213,588.19 and 58,263.99 is: 87,363.72
Step by Step Solution
- Step 1: Write the proportion equation
142,444.71 : 213,588.19 = 58,263.99 : x - Step 2: Convert to fraction form
142,444.71/213,588.19 = 58,263.99/x - Step 3: Cross multiply
142,444.71x = 213,588.19 × 58,263.99 - Step 4: Simplify right side
142,444.71x = 12,444,500,166.28 - Step 5: Solve for x
x = 12,444,500,166.28/142,444.71 - Step 6: Final answer
x = 87,363.72
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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.