Finding the Fourth Proportional to 430,799.76, 594,363.96 and 239,775.84
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Solution
The fourth proportional to 430,799.76, 594,363.96 and 239,775.84 is: 330,812.90
Step by Step Solution
- Step 1: Write the proportion equation
430,799.76 : 594,363.96 = 239,775.84 : x - Step 2: Convert to fraction form
430,799.76/594,363.96 = 239,775.84/x - Step 3: Cross multiply
430,799.76x = 594,363.96 × 239,775.84 - Step 4: Simplify right side
430,799.76x = 142,514,117,774.73 - Step 5: Solve for x
x = 142,514,117,774.73/430,799.76 - Step 6: Final answer
x = 330,812.90
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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.