Finding the Fourth Proportional to 259,835.15, 389,727.21 and 176,132.99
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Solution
The fourth proportional to 259,835.15, 389,727.21 and 176,132.99 is: 264,182.19
Step by Step Solution
- Step 1: Write the proportion equation
259,835.15 : 389,727.21 = 176,132.99 : x - Step 2: Convert to fraction form
259,835.15/389,727.21 = 176,132.99/x - Step 3: Cross multiply
259,835.15x = 389,727.21 × 176,132.99 - Step 4: Simplify right side
259,835.15x = 68,643,818,781.66 - Step 5: Solve for x
x = 68,643,818,781.66/259,835.15 - Step 6: Final answer
x = 264,182.19
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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.