Finding the Fourth Proportional to 384,595.79, 576,948.36 and 118,378.49
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Solution
The fourth proportional to 384,595.79, 576,948.36 and 118,378.49 is: 177,584.56
Step by Step Solution
- Step 1: Write the proportion equation
384,595.79 : 576,948.36 = 118,378.49 : x - Step 2: Convert to fraction form
384,595.79/576,948.36 = 118,378.49/x - Step 3: Cross multiply
384,595.79x = 576,948.36 × 118,378.49 - Step 4: Simplify right side
384,595.79x = 68,298,275,664.78 - Step 5: Solve for x
x = 68,298,275,664.78/384,595.79 - Step 6: Final answer
x = 177,584.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.