Finding the Fourth Proportional to 143,038.73, 214,573.08 and 53,106.05
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Solution
The fourth proportional to 143,038.73, 214,573.08 and 53,106.05 is: 79,664.64
Step by Step Solution
- Step 1: Write the proportion equation
143,038.73 : 214,573.08 = 53,106.05 : x - Step 2: Convert to fraction form
143,038.73/214,573.08 = 53,106.05/x - Step 3: Cross multiply
143,038.73x = 214,573.08 × 53,106.05 - Step 4: Simplify right side
143,038.73x = 11,395,128,715.13 - Step 5: Solve for x
x = 11,395,128,715.13/143,038.73 - Step 6: Final answer
x = 79,664.64
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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.