Finding the Fourth Proportional to 157,201.08, 216,903.84 and 93,526.44
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Solution
The fourth proportional to 157,201.08, 216,903.84 and 93,526.44 is: 129,046.47
Step by Step Solution
- Step 1: Write the proportion equation
157,201.08 : 216,903.84 = 93,526.44 : x - Step 2: Convert to fraction form
157,201.08/216,903.84 = 93,526.44/x - Step 3: Cross multiply
157,201.08x = 216,903.84 × 93,526.44 - Step 4: Simplify right side
157,201.08x = 20,286,243,977.53 - Step 5: Solve for x
x = 20,286,243,977.53/157,201.08 - Step 6: Final answer
x = 129,046.47
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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.