Finding the Fourth Proportional to 143,254.03, 214,880.76 and 38,072.99
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Solution
The fourth proportional to 143,254.03, 214,880.76 and 38,072.99 is: 57,109.41
Step by Step Solution
- Step 1: Write the proportion equation
143,254.03 : 214,880.76 = 38,072.99 : x - Step 2: Convert to fraction form
143,254.03/214,880.76 = 38,072.99/x - Step 3: Cross multiply
143,254.03x = 214,880.76 × 38,072.99 - Step 4: Simplify right side
143,254.03x = 8,181,153,026.67 - Step 5: Solve for x
x = 8,181,153,026.67/143,254.03 - Step 6: Final answer
x = 57,109.41
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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.