Finding the Fourth Proportional to 518,787.54, 716,197.41 and 368,244.18
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Solution
The fourth proportional to 518,787.54, 716,197.41 and 368,244.18 is: 508,369.05
Step by Step Solution
- Step 1: Write the proportion equation
518,787.54 : 716,197.41 = 368,244.18 : x - Step 2: Convert to fraction form
518,787.54/716,197.41 = 368,244.18/x - Step 3: Cross multiply
518,787.54x = 716,197.41 × 368,244.18 - Step 4: Simplify right side
518,787.54x = 263,735,527,963.57 - Step 5: Solve for x
x = 263,735,527,963.57/518,787.54 - Step 6: Final answer
x = 508,369.05
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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.