Finding the Fourth Proportional to 493,590.20, 740,385.30 and 294,135.80
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Solution
The fourth proportional to 493,590.20, 740,385.30 and 294,135.80 is: 441,203.70
Step by Step Solution
- Step 1: Write the proportion equation
493,590.20 : 740,385.30 = 294,135.80 : x - Step 2: Convert to fraction form
493,590.20/740,385.30 = 294,135.80/x - Step 3: Cross multiply
493,590.20x = 740,385.30 × 294,135.80 - Step 4: Simplify right side
493,590.20x = 217,773,822,523.74 - Step 5: Solve for x
x = 217,773,822,523.74/493,590.20 - Step 6: Final answer
x = 441,203.70
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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.