Finding the Fourth Proportional to 446,453.10, 616,109.90 and 242,507.99
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Solution
The fourth proportional to 446,453.10, 616,109.90 and 242,507.99 is: 334,663.54
Step by Step Solution
- Step 1: Write the proportion equation
446,453.10 : 616,109.90 = 242,507.99 : x - Step 2: Convert to fraction form
446,453.10/616,109.90 = 242,507.99/x - Step 3: Cross multiply
446,453.10x = 616,109.90 × 242,507.99 - Step 4: Simplify right side
446,453.10x = 149,411,573,795.84 - Step 5: Solve for x
x = 149,411,573,795.84/446,453.10 - Step 6: Final answer
x = 334,663.54
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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.