Finding the Fourth Proportional to 355,734.51, 533,639.14 and 115,867.08
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Solution
The fourth proportional to 355,734.51, 533,639.14 and 115,867.08 is: 173,812.80
Step by Step Solution
- Step 1: Write the proportion equation
355,734.51 : 533,639.14 = 115,867.08 : x - Step 2: Convert to fraction form
355,734.51/533,639.14 = 115,867.08/x - Step 3: Cross multiply
355,734.51x = 533,639.14 × 115,867.08 - Step 4: Simplify right side
355,734.51x = 61,831,210,636.99 - Step 5: Solve for x
x = 61,831,210,636.99/355,734.51 - Step 6: Final answer
x = 173,812.80
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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.