Finding the Fourth Proportional to 282,038.58, 422,921.79 and 163,739.70
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Solution
The fourth proportional to 282,038.58, 422,921.79 and 163,739.70 is: 245,530.55
Step by Step Solution
- Step 1: Write the proportion equation
282,038.58 : 422,921.79 = 163,739.70 : x - Step 2: Convert to fraction form
282,038.58/422,921.79 = 163,739.70/x - Step 3: Cross multiply
282,038.58x = 422,921.79 × 163,739.70 - Step 4: Simplify right side
282,038.58x = 69,249,087,018.06 - Step 5: Solve for x
x = 69,249,087,018.06/282,038.58 - Step 6: Final answer
x = 245,530.55
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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.