Finding the Fourth Proportional to 402,613.84, 603,979.08 and 149,873.32
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Solution
The fourth proportional to 402,613.84, 603,979.08 and 149,873.32 is: 224,831.69
Step by Step Solution
- Step 1: Write the proportion equation
402,613.84 : 603,979.08 = 149,873.32 : x - Step 2: Convert to fraction form
402,613.84/603,979.08 = 149,873.32/x - Step 3: Cross multiply
402,613.84x = 603,979.08 × 149,873.32 - Step 4: Simplify right side
402,613.84x = 90,520,349,930.15 - Step 5: Solve for x
x = 90,520,349,930.15/402,613.84 - Step 6: Final answer
x = 224,831.69
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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.