Finding the Fourth Proportional to 366,920.30, 549,700.05 and 208,678.70
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Solution
The fourth proportional to 366,920.30, 549,700.05 and 208,678.70 is: 312,631.09
Step by Step Solution
- Step 1: Write the proportion equation
366,920.30 : 549,700.05 = 208,678.70 : x - Step 2: Convert to fraction form
366,920.30/549,700.05 = 208,678.70/x - Step 3: Cross multiply
366,920.30x = 549,700.05 × 208,678.70 - Step 4: Simplify right side
366,920.30x = 114,710,691,823.94 - Step 5: Solve for x
x = 114,710,691,823.94/366,920.30 - Step 6: Final answer
x = 312,631.09
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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.