Finding the Fourth Proportional to 449,272.19, 618,941.99 and 313,058.99
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Solution
The fourth proportional to 449,272.19, 618,941.99 and 313,058.99 is: 431,287.22
Step by Step Solution
- Step 1: Write the proportion equation
449,272.19 : 618,941.99 = 313,058.99 : x - Step 2: Convert to fraction form
449,272.19/618,941.99 = 313,058.99/x - Step 3: Cross multiply
449,272.19x = 618,941.99 × 313,058.99 - Step 4: Simplify right side
449,272.19x = 193,765,356,587.99 - Step 5: Solve for x
x = 193,765,356,587.99/449,272.19 - Step 6: Final answer
x = 431,287.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.