Finding the Fourth Proportional to 259,518.28, 358,135.29 and 146,341.06
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Solution
The fourth proportional to 259,518.28, 358,135.29 and 146,341.06 is: 201,950.70
Step by Step Solution
- Step 1: Write the proportion equation
259,518.28 : 358,135.29 = 146,341.06 : x - Step 2: Convert to fraction form
259,518.28/358,135.29 = 146,341.06/x - Step 3: Cross multiply
259,518.28x = 358,135.29 × 146,341.06 - Step 4: Simplify right side
259,518.28x = 52,409,897,962.01 - Step 5: Solve for x
x = 52,409,897,962.01/259,518.28 - Step 6: Final answer
x = 201,950.70
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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.