Finding the Fourth Proportional to 328,590.70, 453,468.95 and 185,350.70
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Solution
The fourth proportional to 328,590.70, 453,468.95 and 185,350.70 is: 255,791.74
Step by Step Solution
- Step 1: Write the proportion equation
328,590.70 : 453,468.95 = 185,350.70 : x - Step 2: Convert to fraction form
328,590.70/453,468.95 = 185,350.70/x - Step 3: Cross multiply
328,590.70x = 453,468.95 × 185,350.70 - Step 4: Simplify right side
328,590.70x = 84,050,787,310.77 - Step 5: Solve for x
x = 84,050,787,310.77/328,590.70 - Step 6: Final answer
x = 255,791.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.