Finding the Fourth Proportional to 343,440.12, 474,125.40 and 266,787.48
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Solution
The fourth proportional to 343,440.12, 474,125.40 and 266,787.48 is: 368,305.02
Step by Step Solution
- Step 1: Write the proportion equation
343,440.12 : 474,125.40 = 266,787.48 : x - Step 2: Convert to fraction form
343,440.12/474,125.40 = 266,787.48/x - Step 3: Cross multiply
343,440.12x = 474,125.40 × 266,787.48 - Step 4: Simplify right side
343,440.12x = 126,490,720,669.99 - Step 5: Solve for x
x = 126,490,720,669.99/343,440.12 - Step 6: Final answer
x = 368,305.02
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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.