Finding the Fourth Proportional to 430,101.09, 593,704.08 and 286,808.85
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Solution
The fourth proportional to 430,101.09, 593,704.08 and 286,808.85 is: 395,905.96
Step by Step Solution
- Step 1: Write the proportion equation
430,101.09 : 593,704.08 = 286,808.85 : x - Step 2: Convert to fraction form
430,101.09/593,704.08 = 286,808.85/x - Step 3: Cross multiply
430,101.09x = 593,704.08 × 286,808.85 - Step 4: Simplify right side
430,101.09x = 170,279,584,425.11 - Step 5: Solve for x
x = 170,279,584,425.11/430,101.09 - Step 6: Final answer
x = 395,905.96
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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.