Finding the Fourth Proportional to 569,163.99, 785,457.56 and 311,056.92
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Solution
The fourth proportional to 569,163.99, 785,457.56 and 311,056.92 is: 429,264.70
Step by Step Solution
- Step 1: Write the proportion equation
569,163.99 : 785,457.56 = 311,056.92 : x - Step 2: Convert to fraction form
569,163.99/785,457.56 = 311,056.92/x - Step 3: Cross multiply
569,163.99x = 785,457.56 × 311,056.92 - Step 4: Simplify right side
569,163.99x = 244,322,009,404.32 - Step 5: Solve for x
x = 244,322,009,404.32/569,163.99 - Step 6: Final answer
x = 429,264.70
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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.