Finding the Fourth Proportional to 478,163.00, 716,706.24 and 208,518.05
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Solution
The fourth proportional to 478,163.00, 716,706.24 and 208,518.05 is: 312,542.35
Step by Step Solution
- Step 1: Write the proportion equation
478,163.00 : 716,706.24 = 208,518.05 : x - Step 2: Convert to fraction form
478,163.00/716,706.24 = 208,518.05/x - Step 3: Cross multiply
478,163.00x = 716,706.24 × 208,518.05 - Step 4: Simplify right side
478,163.00x = 149,446,184,004.10 - Step 5: Solve for x
x = 149,446,184,004.10/478,163.00 - Step 6: Final answer
x = 312,542.35
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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.