Finding the Fourth Proportional to 149,841.80, 224,762.70 and 142,929.80
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Solution
The fourth proportional to 149,841.80, 224,762.70 and 142,929.80 is: 214,394.70
Step by Step Solution
- Step 1: Write the proportion equation
149,841.80 : 224,762.70 = 142,929.80 : x - Step 2: Convert to fraction form
149,841.80/224,762.70 = 142,929.80/x - Step 3: Cross multiply
149,841.80x = 224,762.70 × 142,929.80 - Step 4: Simplify right side
149,841.80x = 32,125,287,758.46 - Step 5: Solve for x
x = 32,125,287,758.46/149,841.80 - Step 6: Final answer
x = 214,394.70
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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.