Finding the Fourth Proportional to 430,673.25, 594,329.09 and 239,731.75
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Solution
The fourth proportional to 430,673.25, 594,329.09 and 239,731.75 is: 330,829.81
Step by Step Solution
- Step 1: Write the proportion equation
430,673.25 : 594,329.09 = 239,731.75 : x - Step 2: Convert to fraction form
430,673.25/594,329.09 = 239,731.75/x - Step 3: Cross multiply
430,673.25x = 594,329.09 × 239,731.75 - Step 4: Simplify right side
430,673.25x = 142,479,550,137.13 - Step 5: Solve for x
x = 142,479,550,137.13/430,673.25 - Step 6: Final answer
x = 330,829.81
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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.