Finding the Fourth Proportional to 259,892.81, 358,655.07 and 152,464.67
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Solution
The fourth proportional to 259,892.81, 358,655.07 and 152,464.67 is: 210,402.99
Step by Step Solution
- Step 1: Write the proportion equation
259,892.81 : 358,655.07 = 152,464.67 : x - Step 2: Convert to fraction form
259,892.81/358,655.07 = 152,464.67/x - Step 3: Cross multiply
259,892.81x = 358,655.07 × 152,464.67 - Step 4: Simplify right side
259,892.81x = 54,682,224,335.78 - Step 5: Solve for x
x = 54,682,224,335.78/259,892.81 - Step 6: Final answer
x = 210,402.99
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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.