Finding the Fourth Proportional to 539,134.80, 808,588.80 and 272,644.80
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Solution
The fourth proportional to 539,134.80, 808,588.80 and 272,644.80 is: 408,909.85
Step by Step Solution
- Step 1: Write the proportion equation
539,134.80 : 808,588.80 = 272,644.80 : x - Step 2: Convert to fraction form
539,134.80/808,588.80 = 272,644.80/x - Step 3: Cross multiply
539,134.80x = 808,588.80 × 272,644.80 - Step 4: Simplify right side
539,134.80x = 220,457,531,658.24 - Step 5: Solve for x
x = 220,457,531,658.24/539,134.80 - Step 6: Final answer
x = 408,909.85
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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.