Finding the Fourth Proportional to 539,644.13, 809,325.09 and 160,462.74
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Solution
The fourth proportional to 539,644.13, 809,325.09 and 160,462.74 is: 240,652.15
Step by Step Solution
- Step 1: Write the proportion equation
539,644.13 : 809,325.09 = 160,462.74 : x - Step 2: Convert to fraction form
539,644.13/809,325.09 = 160,462.74/x - Step 3: Cross multiply
539,644.13x = 809,325.09 × 160,462.74 - Step 4: Simplify right side
539,644.13x = 129,866,521,492.15 - Step 5: Solve for x
x = 129,866,521,492.15/539,644.13 - Step 6: Final answer
x = 240,652.15
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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.