Finding the Fourth Proportional to 434,077.80, 651,116.70 and 149,767.80
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Solution
The fourth proportional to 434,077.80, 651,116.70 and 149,767.80 is: 224,651.70
Step by Step Solution
- Step 1: Write the proportion equation
434,077.80 : 651,116.70 = 149,767.80 : x - Step 2: Convert to fraction form
434,077.80/651,116.70 = 149,767.80/x - Step 3: Cross multiply
434,077.80x = 651,116.70 × 149,767.80 - Step 4: Simplify right side
434,077.80x = 97,516,315,702.26 - Step 5: Solve for x
x = 97,516,315,702.26/434,077.80 - Step 6: Final answer
x = 224,651.70
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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.