Finding the Fourth Proportional to 402,034.80, 602,177.40 and 243,987.60
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Solution
The fourth proportional to 402,034.80, 602,177.40 and 243,987.60 is: 365,450.50
Step by Step Solution
- Step 1: Write the proportion equation
402,034.80 : 602,177.40 = 243,987.60 : x - Step 2: Convert to fraction form
402,034.80/602,177.40 = 243,987.60/x - Step 3: Cross multiply
402,034.80x = 602,177.40 × 243,987.60 - Step 4: Simplify right side
402,034.80x = 146,923,818,600.24 - Step 5: Solve for x
x = 146,923,818,600.24/402,034.80 - Step 6: Final answer
x = 365,450.50
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1.5x scale
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.