Finding the Fourth Proportional to 531,267.66, 733,127.99 and 289,545.03
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Solution
The fourth proportional to 531,267.66, 733,127.99 and 289,545.03 is: 399,560.49
Step by Step Solution
- Step 1: Write the proportion equation
531,267.66 : 733,127.99 = 289,545.03 : x - Step 2: Convert to fraction form
531,267.66/733,127.99 = 289,545.03/x - Step 3: Cross multiply
531,267.66x = 733,127.99 × 289,545.03 - Step 4: Simplify right side
531,267.66x = 212,273,564,410.67 - Step 5: Solve for x
x = 212,273,564,410.67/531,267.66 - Step 6: Final answer
x = 399,560.49
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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.