Finding the Fourth Proportional to 807,495.02, 1,211,247.12 and 208,415.23
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Solution
The fourth proportional to 807,495.02, 1,211,247.12 and 208,415.23 is: 312,624.02
Step by Step Solution
- Step 1: Write the proportion equation
807,495.02 : 1,211,247.12 = 208,415.23 : x - Step 2: Convert to fraction form
807,495.02/1,211,247.12 = 208,415.23/x - Step 3: Cross multiply
807,495.02x = 1,211,247.12 × 208,415.23 - Step 4: Simplify right side
807,495.02x = 252,442,343,682.74 - Step 5: Solve for x
x = 252,442,343,682.74/807,495.02 - Step 6: Final answer
x = 312,624.02
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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.