Finding the Fourth Proportional to 487,567.79, 672,847.83 and 272,727.84
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Solution
The fourth proportional to 487,567.79, 672,847.83 and 272,727.84 is: 376,366.82
Step by Step Solution
- Step 1: Write the proportion equation
487,567.79 : 672,847.83 = 272,727.84 : x - Step 2: Convert to fraction form
487,567.79/672,847.83 = 272,727.84/x - Step 3: Cross multiply
487,567.79x = 672,847.83 × 272,727.84 - Step 4: Simplify right side
487,567.79x = 183,504,337,847.77 - Step 5: Solve for x
x = 183,504,337,847.77/487,567.79 - Step 6: Final answer
x = 376,366.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.