Finding the Fourth Proportional to 492,177.66, 679,267.80 and 277,370.52
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Solution
The fourth proportional to 492,177.66, 679,267.80 and 277,370.52 is: 382,806.61
Step by Step Solution
- Step 1: Write the proportion equation
492,177.66 : 679,267.80 = 277,370.52 : x - Step 2: Convert to fraction form
492,177.66/679,267.80 = 277,370.52/x - Step 3: Cross multiply
492,177.66x = 679,267.80 × 277,370.52 - Step 4: Simplify right side
492,177.66x = 188,408,862,905.26 - Step 5: Solve for x
x = 188,408,862,905.26/492,177.66 - Step 6: Final answer
x = 382,806.61
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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.