Finding the Fourth Proportional to 247,970.90, 342,392.94 and 190,519.09
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Solution
The fourth proportional to 247,970.90, 342,392.94 and 190,519.09 is: 263,064.70
Step by Step Solution
- Step 1: Write the proportion equation
247,970.90 : 342,392.94 = 190,519.09 : x - Step 2: Convert to fraction form
247,970.90/342,392.94 = 190,519.09/x - Step 3: Cross multiply
247,970.90x = 342,392.94 × 190,519.09 - Step 4: Simplify right side
247,970.90x = 65,232,390,495.24 - Step 5: Solve for x
x = 65,232,390,495.24/247,970.90 - Step 6: Final answer
x = 263,064.70
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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.