Finding the Fourth Proportional to 468,840.24, 646,997.94 and 253,980.06
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Solution
The fourth proportional to 468,840.24, 646,997.94 and 253,980.06 is: 350,491.62
Step by Step Solution
- Step 1: Write the proportion equation
468,840.24 : 646,997.94 = 253,980.06 : x - Step 2: Convert to fraction form
468,840.24/646,997.94 = 253,980.06/x - Step 3: Cross multiply
468,840.24x = 646,997.94 × 253,980.06 - Step 4: Simplify right side
468,840.24x = 164,324,575,621.08 - Step 5: Solve for x
x = 164,324,575,621.08/468,840.24 - Step 6: Final answer
x = 350,491.62
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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.