Finding the Fourth Proportional to 613,507.18, 920,149.96 and 214,262.13
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Solution
The fourth proportional to 613,507.18, 920,149.96 and 214,262.13 is: 321,354.50
Step by Step Solution
- Step 1: Write the proportion equation
613,507.18 : 920,149.96 = 214,262.13 : x - Step 2: Convert to fraction form
613,507.18/920,149.96 = 214,262.13/x - Step 3: Cross multiply
613,507.18x = 920,149.96 × 214,262.13 - Step 4: Simplify right side
613,507.18x = 197,153,290,349.02 - Step 5: Solve for x
x = 197,153,290,349.02/613,507.18 - Step 6: Final answer
x = 321,354.50
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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.