Finding the Fourth Proportional to 531,206.14, 733,038.36 and 289,487.98
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Solution
The fourth proportional to 531,206.14, 733,038.36 and 289,487.98 is: 399,479.18
Step by Step Solution
- Step 1: Write the proportion equation
531,206.14 : 733,038.36 = 289,487.98 : x - Step 2: Convert to fraction form
531,206.14/733,038.36 = 289,487.98/x - Step 3: Cross multiply
531,206.14x = 733,038.36 × 289,487.98 - Step 4: Simplify right side
531,206.14x = 212,205,794,098.91 - Step 5: Solve for x
x = 212,205,794,098.91/531,206.14 - Step 6: Final answer
x = 399,479.18
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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.