Finding the Fourth Proportional to 539,114.80, 808,558.80 and 272,624.80
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Solution
The fourth proportional to 539,114.80, 808,558.80 and 272,624.80 is: 408,879.85
Step by Step Solution
- Step 1: Write the proportion equation
539,114.80 : 808,558.80 = 272,624.80 : x - Step 2: Convert to fraction form
539,114.80/808,558.80 = 272,624.80/x - Step 3: Cross multiply
539,114.80x = 808,558.80 × 272,624.80 - Step 4: Simplify right side
539,114.80x = 220,433,181,138.24 - Step 5: Solve for x
x = 220,433,181,138.24/539,114.80 - Step 6: Final answer
x = 408,879.85
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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.