Finding the Fourth Proportional to 468,201.24, 646,115.60 and 253,345.08
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Solution
The fourth proportional to 468,201.24, 646,115.60 and 253,345.08 is: 349,615.07
Step by Step Solution
- Step 1: Write the proportion equation
468,201.24 : 646,115.60 = 253,345.08 : x - Step 2: Convert to fraction form
468,201.24/646,115.60 = 253,345.08/x - Step 3: Cross multiply
468,201.24x = 646,115.60 × 253,345.08 - Step 4: Simplify right side
468,201.24x = 163,690,208,371.25 - Step 5: Solve for x
x = 163,690,208,371.25/468,201.24 - Step 6: Final answer
x = 349,615.07
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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.