Finding the Fourth Proportional to 579,664.80, 869,497.20 and 153,199.80
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Solution
The fourth proportional to 579,664.80, 869,497.20 and 153,199.80 is: 229,799.70
Step by Step Solution
- Step 1: Write the proportion equation
579,664.80 : 869,497.20 = 153,199.80 : x - Step 2: Convert to fraction form
579,664.80/869,497.20 = 153,199.80/x - Step 3: Cross multiply
579,664.80x = 869,497.20 × 153,199.80 - Step 4: Simplify right side
579,664.80x = 133,206,797,140.56 - Step 5: Solve for x
x = 133,206,797,140.56/579,664.80 - Step 6: Final answer
x = 229,799.70
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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.