Finding the Fourth Proportional to 259,767.81, 389,307.26 and 133,402.95
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Solution
The fourth proportional to 259,767.81, 389,307.26 and 133,402.95 is: 199,927.53
Step by Step Solution
- Step 1: Write the proportion equation
259,767.81 : 389,307.26 = 133,402.95 : x - Step 2: Convert to fraction form
259,767.81/389,307.26 = 133,402.95/x - Step 3: Cross multiply
259,767.81x = 389,307.26 × 133,402.95 - Step 4: Simplify right side
259,767.81x = 51,934,736,273.40 - Step 5: Solve for x
x = 51,934,736,273.40/259,767.81 - Step 6: Final answer
x = 199,927.53
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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.