Finding the Fourth Proportional to 426,930.06, 589,175.28 and 235,955.82
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Solution
The fourth proportional to 426,930.06, 589,175.28 and 235,955.82 is: 325,625.55
Step by Step Solution
- Step 1: Write the proportion equation
426,930.06 : 589,175.28 = 235,955.82 : x - Step 2: Convert to fraction form
426,930.06/589,175.28 = 235,955.82/x - Step 3: Cross multiply
426,930.06x = 589,175.28 × 235,955.82 - Step 4: Simplify right side
426,930.06x = 139,019,336,316.13 - Step 5: Solve for x
x = 139,019,336,316.13/426,930.06 - Step 6: Final answer
x = 325,625.55
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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.