Finding the Fourth Proportional to 430,739.34, 594,407.07 and 239,747.82
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Solution
The fourth proportional to 430,739.34, 594,407.07 and 239,747.82 is: 330,844.63
Step by Step Solution
- Step 1: Write the proportion equation
430,739.34 : 594,407.07 = 239,747.82 : x - Step 2: Convert to fraction form
430,739.34/594,407.07 = 239,747.82/x - Step 3: Cross multiply
430,739.34x = 594,407.07 × 239,747.82 - Step 4: Simplify right side
430,739.34x = 142,507,799,225.09 - Step 5: Solve for x
x = 142,507,799,225.09/430,739.34 - Step 6: Final answer
x = 330,844.63
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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.