Finding the Fourth Proportional to 397,354.04, 548,551.75 and 306,506.06
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Solution
The fourth proportional to 397,354.04, 548,551.75 and 306,506.06 is: 423,135.09
Step by Step Solution
- Step 1: Write the proportion equation
397,354.04 : 548,551.75 = 306,506.06 : x - Step 2: Convert to fraction form
397,354.04/548,551.75 = 306,506.06/x - Step 3: Cross multiply
397,354.04x = 548,551.75 × 306,506.06 - Step 4: Simplify right side
397,354.04x = 168,134,435,598.61 - Step 5: Solve for x
x = 168,134,435,598.61/397,354.04 - Step 6: Final answer
x = 423,135.09
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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.