Finding the Fourth Proportional to 474,433.80, 654,690.78 and 259,531.08
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Solution
The fourth proportional to 474,433.80, 654,690.78 and 259,531.08 is: 358,137.65
Step by Step Solution
- Step 1: Write the proportion equation
474,433.80 : 654,690.78 = 259,531.08 : x - Step 2: Convert to fraction form
474,433.80/654,690.78 = 259,531.08/x - Step 3: Cross multiply
474,433.80x = 654,690.78 × 259,531.08 - Step 4: Simplify right side
474,433.80x = 169,912,605,199.44 - Step 5: Solve for x
x = 169,912,605,199.44/474,433.80 - Step 6: Final answer
x = 358,137.65
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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.