Finding the Fourth Proportional to 291,763.20, 437,644.80 and 125,551.20
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Solution
The fourth proportional to 291,763.20, 437,644.80 and 125,551.20 is: 188,326.80
Step by Step Solution
- Step 1: Write the proportion equation
291,763.20 : 437,644.80 = 125,551.20 : x - Step 2: Convert to fraction form
291,763.20/437,644.80 = 125,551.20/x - Step 3: Cross multiply
291,763.20x = 437,644.80 × 125,551.20 - Step 4: Simplify right side
291,763.20x = 54,946,829,813.76 - Step 5: Solve for x
x = 54,946,829,813.76/291,763.20 - Step 6: Final answer
x = 188,326.80
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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.