Finding the Fourth Proportional to 450,021.21, 675,032.48 and 183,781.74
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Solution
The fourth proportional to 450,021.21, 675,032.48 and 183,781.74 is: 275,672.88
Step by Step Solution
- Step 1: Write the proportion equation
450,021.21 : 675,032.48 = 183,781.74 : x - Step 2: Convert to fraction form
450,021.21/675,032.48 = 183,781.74/x - Step 3: Cross multiply
450,021.21x = 675,032.48 × 183,781.74 - Step 4: Simplify right side
450,021.21x = 124,058,642,812.01 - Step 5: Solve for x
x = 124,058,642,812.01/450,021.21 - Step 6: Final answer
x = 275,672.88
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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.