Finding the Fourth Proportional to 430,165.80, 593,626.80 and 239,167.80
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Solution
The fourth proportional to 430,165.80, 593,626.80 and 239,167.80 is: 330,050.45
Step by Step Solution
- Step 1: Write the proportion equation
430,165.80 : 593,626.80 = 239,167.80 : x - Step 2: Convert to fraction form
430,165.80/593,626.80 = 239,167.80/x - Step 3: Cross multiply
430,165.80x = 593,626.80 × 239,167.80 - Step 4: Simplify right side
430,165.80x = 141,976,415,777.04 - Step 5: Solve for x
x = 141,976,415,777.04/430,165.80 - Step 6: Final answer
x = 330,050.45
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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.