Finding the Fourth Proportional to 366,319.60, 549,576.60 and 129,637.60
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Solution
The fourth proportional to 366,319.60, 549,576.60 and 129,637.60 is: 194,490.80
Step by Step Solution
- Step 1: Write the proportion equation
366,319.60 : 549,576.60 = 129,637.60 : x - Step 2: Convert to fraction form
366,319.60/549,576.60 = 129,637.60/x - Step 3: Cross multiply
366,319.60x = 549,576.60 × 129,637.60 - Step 4: Simplify right side
366,319.60x = 71,245,791,440.16 - Step 5: Solve for x
x = 71,245,791,440.16/366,319.60 - Step 6: Final answer
x = 194,490.80
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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.