Finding the Fourth Proportional to 415,323.70, 573,146.73 and 224,337.09
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Solution
The fourth proportional to 415,323.70, 573,146.73 and 224,337.09 is: 309,585.20
Step by Step Solution
- Step 1: Write the proportion equation
415,323.70 : 573,146.73 = 224,337.09 : x - Step 2: Convert to fraction form
415,323.70/573,146.73 = 224,337.09/x - Step 3: Cross multiply
415,323.70x = 573,146.73 × 224,337.09 - Step 4: Simplify right side
415,323.70x = 128,578,070,423.24 - Step 5: Solve for x
x = 128,578,070,423.24/415,323.70 - Step 6: Final answer
x = 309,585.20
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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.