Finding the Fourth Proportional to 323,486.44, 485,303.52 and 98,878.84
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Solution
The fourth proportional to 323,486.44, 485,303.52 and 98,878.84 is: 148,340.84
Step by Step Solution
- Step 1: Write the proportion equation
323,486.44 : 485,303.52 = 98,878.84 : x - Step 2: Convert to fraction form
323,486.44/485,303.52 = 98,878.84/x - Step 3: Cross multiply
323,486.44x = 485,303.52 × 98,878.84 - Step 4: Simplify right side
323,486.44x = 47,986,249,105.52 - Step 5: Solve for x
x = 47,986,249,105.52/323,486.44 - Step 6: Final answer
x = 148,340.84
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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.