Finding the Fourth Proportional to 453,845.70, 680,768.55 and 232,661.70
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Solution
The fourth proportional to 453,845.70, 680,768.55 and 232,661.70 is: 348,992.55
Step by Step Solution
- Step 1: Write the proportion equation
453,845.70 : 680,768.55 = 232,661.70 : x - Step 2: Convert to fraction form
453,845.70/680,768.55 = 232,661.70/x - Step 3: Cross multiply
453,845.70x = 680,768.55 × 232,661.70 - Step 4: Simplify right side
453,845.70x = 158,388,768,149.54 - Step 5: Solve for x
x = 158,388,768,149.54/453,845.70 - Step 6: Final answer
x = 348,992.55
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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.