Finding the Fourth Proportional to 366,352.80, 549,529.20 and 254,159.70
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Solution
The fourth proportional to 366,352.80, 549,529.20 and 254,159.70 is: 381,239.55
Step by Step Solution
- Step 1: Write the proportion equation
366,352.80 : 549,529.20 = 254,159.70 : x - Step 2: Convert to fraction form
366,352.80/549,529.20 = 254,159.70/x - Step 3: Cross multiply
366,352.80x = 549,529.20 × 254,159.70 - Step 4: Simplify right side
366,352.80x = 139,668,176,613.24 - Step 5: Solve for x
x = 139,668,176,613.24/366,352.80 - Step 6: Final answer
x = 381,239.55
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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.