Finding the Fourth Proportional to 438,000.48, 657,001.33 and 122,457.08
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Solution
The fourth proportional to 438,000.48, 657,001.33 and 122,457.08 is: 183,685.79
Step by Step Solution
- Step 1: Write the proportion equation
438,000.48 : 657,001.33 = 122,457.08 : x - Step 2: Convert to fraction form
438,000.48/657,001.33 = 122,457.08/x - Step 3: Cross multiply
438,000.48x = 657,001.33 × 122,457.08 - Step 4: Simplify right side
438,000.48x = 80,454,465,764.28 - Step 5: Solve for x
x = 80,454,465,764.28/438,000.48 - Step 6: Final answer
x = 183,685.79
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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.