Finding the Fourth Proportional to 259,895.08, 358,655.34 and 140,663.08
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Solution
The fourth proportional to 259,895.08, 358,655.34 and 140,663.08 is: 194,115.12
Step by Step Solution
- Step 1: Write the proportion equation
259,895.08 : 358,655.34 = 140,663.08 : x - Step 2: Convert to fraction form
259,895.08/358,655.34 = 140,663.08/x - Step 3: Cross multiply
259,895.08x = 358,655.34 × 140,663.08 - Step 4: Simplify right side
259,895.08x = 50,449,564,782.85 - Step 5: Solve for x
x = 50,449,564,782.85/259,895.08 - Step 6: Final answer
x = 194,115.12
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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.