Finding the Fourth Proportional to 134,409.93, 201,644.06 and 40,913.25
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Solution
The fourth proportional to 134,409.93, 201,644.06 and 40,913.25 is: 61,378.75
Step by Step Solution
- Step 1: Write the proportion equation
134,409.93 : 201,644.06 = 40,913.25 : x - Step 2: Convert to fraction form
134,409.93/201,644.06 = 40,913.25/x - Step 3: Cross multiply
134,409.93x = 201,644.06 × 40,913.25 - Step 4: Simplify right side
134,409.93x = 8,249,913,633.23 - Step 5: Solve for x
x = 8,249,913,633.23/134,409.93 - Step 6: Final answer
x = 61,378.75
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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.