Finding the Fourth Proportional to 430,209.51, 593,664.74 and 239,218.80
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Solution
The fourth proportional to 430,209.51, 593,664.74 and 239,218.80 is: 330,108.38
Step by Step Solution
- Step 1: Write the proportion equation
430,209.51 : 593,664.74 = 239,218.80 : x - Step 2: Convert to fraction form
430,209.51/593,664.74 = 239,218.80/x - Step 3: Cross multiply
430,209.51x = 593,664.74 × 239,218.80 - Step 4: Simplify right side
430,209.51x = 142,015,765,509.02 - Step 5: Solve for x
x = 142,015,765,509.02/430,209.51 - Step 6: Final answer
x = 330,108.38
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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.