Finding the Fourth Proportional to 490,612.20, 736,246.35 and 224,235.60
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Solution
The fourth proportional to 490,612.20, 736,246.35 and 224,235.60 is: 336,503.34
Step by Step Solution
- Step 1: Write the proportion equation
490,612.20 : 736,246.35 = 224,235.60 : x - Step 2: Convert to fraction form
490,612.20/736,246.35 = 224,235.60/x - Step 3: Cross multiply
490,612.20x = 736,246.35 × 224,235.60 - Step 4: Simplify right side
490,612.20x = 165,092,642,040.06 - Step 5: Solve for x
x = 165,092,642,040.06/490,612.20 - Step 6: Final answer
x = 336,503.34
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1.5x scale
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.