Finding the Fourth Proportional to 157,205.68, 235,666.28 and 57,342.48
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Solution
The fourth proportional to 157,205.68, 235,666.28 and 57,342.48 is: 85,961.84
Step by Step Solution
- Step 1: Write the proportion equation
157,205.68 : 235,666.28 = 57,342.48 : x - Step 2: Convert to fraction form
157,205.68/235,666.28 = 57,342.48/x - Step 3: Cross multiply
157,205.68x = 235,666.28 × 57,342.48 - Step 4: Simplify right side
157,205.68x = 13,513,688,947.57 - Step 5: Solve for x
x = 13,513,688,947.57/157,205.68 - Step 6: Final answer
x = 85,961.84
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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.