Finding the Fourth Proportional to 539,337.80, 808,893.30 and 272,847.80
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Solution
The fourth proportional to 539,337.80, 808,893.30 and 272,847.80 is: 409,214.33
Step by Step Solution
- Step 1: Write the proportion equation
539,337.80 : 808,893.30 = 272,847.80 : x - Step 2: Convert to fraction form
539,337.80/808,893.30 = 272,847.80/x - Step 3: Cross multiply
539,337.80x = 808,893.30 × 272,847.80 - Step 4: Simplify right side
539,337.80x = 220,704,757,339.74 - Step 5: Solve for x
x = 220,704,757,339.74/539,337.80 - Step 6: Final answer
x = 409,214.33
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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.