Finding the Fourth Proportional to 430,177.37, 593,641.08 and 239,189.09
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Solution
The fourth proportional to 430,177.37, 593,641.08 and 239,189.09 is: 330,078.89
Step by Step Solution
- Step 1: Write the proportion equation
430,177.37 : 593,641.08 = 239,189.09 : x - Step 2: Convert to fraction form
430,177.37/593,641.08 = 239,189.09/x - Step 3: Cross multiply
430,177.37x = 593,641.08 × 239,189.09 - Step 4: Simplify right side
430,177.37x = 141,992,466,743.61 - Step 5: Solve for x
x = 141,992,466,743.61/430,177.37 - Step 6: Final answer
x = 330,078.89
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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.