Finding the Fourth Proportional to 402,913.80, 604,370.70 and 166,177.80
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Solution
The fourth proportional to 402,913.80, 604,370.70 and 166,177.80 is: 249,266.70
Step by Step Solution
- Step 1: Write the proportion equation
402,913.80 : 604,370.70 = 166,177.80 : x - Step 2: Convert to fraction form
402,913.80/604,370.70 = 166,177.80/x - Step 3: Cross multiply
402,913.80x = 604,370.70 × 166,177.80 - Step 4: Simplify right side
402,913.80x = 100,432,993,310.46 - Step 5: Solve for x
x = 100,432,993,310.46/402,913.80 - Step 6: Final answer
x = 249,266.70
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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.