Finding the Fourth Proportional to 351,352.78, 484,866.99 and 190,207.81
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Solution
The fourth proportional to 351,352.78, 484,866.99 and 190,207.81 is: 262,486.86
Step by Step Solution
- Step 1: Write the proportion equation
351,352.78 : 484,866.99 = 190,207.81 : x - Step 2: Convert to fraction form
351,352.78/484,866.99 = 190,207.81/x - Step 3: Cross multiply
351,352.78x = 484,866.99 × 190,207.81 - Step 4: Simplify right side
351,352.78x = 92,225,488,309.19 - Step 5: Solve for x
x = 92,225,488,309.19/351,352.78 - Step 6: Final answer
x = 262,486.86
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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.