Finding the Fourth Proportional to 247,965.70, 371,948.55 and 164,859.70
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Solution
The fourth proportional to 247,965.70, 371,948.55 and 164,859.70 is: 247,289.55
Step by Step Solution
- Step 1: Write the proportion equation
247,965.70 : 371,948.55 = 164,859.70 : x - Step 2: Convert to fraction form
247,965.70/371,948.55 = 164,859.70/x - Step 3: Cross multiply
247,965.70x = 371,948.55 × 164,859.70 - Step 4: Simplify right side
247,965.70x = 61,319,326,368.44 - Step 5: Solve for x
x = 61,319,326,368.44/247,965.70 - Step 6: Final answer
x = 247,289.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.