Finding the Fourth Proportional to 446,220.10, 615,780.14 and 242,266.98
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Solution
The fourth proportional to 446,220.10, 615,780.14 and 242,266.98 is: 334,326.48
Step by Step Solution
- Step 1: Write the proportion equation
446,220.10 : 615,780.14 = 242,266.98 : x - Step 2: Convert to fraction form
446,220.10/615,780.14 = 242,266.98/x - Step 3: Cross multiply
446,220.10x = 615,780.14 × 242,266.98 - Step 4: Simplify right side
446,220.10x = 149,183,194,861.78 - Step 5: Solve for x
x = 149,183,194,861.78/446,220.10 - Step 6: Final answer
x = 334,326.48
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1.5x scale
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.