Finding the Fourth Proportional to 259,710.14, 389,740.16 and 101,919.98
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Solution
The fourth proportional to 259,710.14, 389,740.16 and 101,919.98 is: 152,948.63
Step by Step Solution
- Step 1: Write the proportion equation
259,710.14 : 389,740.16 = 101,919.98 : x - Step 2: Convert to fraction form
259,710.14/389,740.16 = 101,919.98/x - Step 3: Cross multiply
259,710.14x = 389,740.16 × 101,919.98 - Step 4: Simplify right side
259,710.14x = 39,722,309,312.40 - Step 5: Solve for x
x = 39,722,309,312.40/259,710.14 - Step 6: Final answer
x = 152,948.63
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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.