Finding the Fourth Proportional to 499,336.11, 688,995.26 and 295,395.63
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Solution
The fourth proportional to 499,336.11, 688,995.26 and 295,395.63 is: 407,593.57
Step by Step Solution
- Step 1: Write the proportion equation
499,336.11 : 688,995.26 = 295,395.63 : x - Step 2: Convert to fraction form
499,336.11/688,995.26 = 295,395.63/x - Step 3: Cross multiply
499,336.11x = 688,995.26 × 295,395.63 - Step 4: Simplify right side
499,336.11x = 203,526,187,417.74 - Step 5: Solve for x
x = 203,526,187,417.74/499,336.11 - Step 6: Final answer
x = 407,593.57
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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.