Finding the Fourth Proportional to 430,703.94, 594,365.49 and 239,717.40
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Solution
The fourth proportional to 430,703.94, 594,365.49 and 239,717.40 is: 330,806.70
Step by Step Solution
- Step 1: Write the proportion equation
430,703.94 : 594,365.49 = 239,717.40 : x - Step 2: Convert to fraction form
430,703.94/594,365.49 = 239,717.40/x - Step 3: Cross multiply
430,703.94x = 594,365.49 × 239,717.40 - Step 4: Simplify right side
430,703.94x = 142,479,749,912.53 - Step 5: Solve for x
x = 142,479,749,912.53/430,703.94 - Step 6: Final answer
x = 330,806.70
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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.