Finding the Fourth Proportional to 539,642.88, 809,323.21 and 160,461.49
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Solution
The fourth proportional to 539,642.88, 809,323.21 and 160,461.49 is: 240,650.28
Step by Step Solution
- Step 1: Write the proportion equation
539,642.88 : 809,323.21 = 160,461.49 : x - Step 2: Convert to fraction form
539,642.88/809,323.21 = 160,461.49/x - Step 3: Cross multiply
539,642.88x = 809,323.21 × 160,461.49 - Step 4: Simplify right side
539,642.88x = 129,865,208,168.18 - Step 5: Solve for x
x = 129,865,208,168.18/539,642.88 - Step 6: Final answer
x = 240,650.28
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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.