Finding the Fourth Proportional to 357,921.32, 493,926.98 and 196,774.95
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Solution
The fourth proportional to 357,921.32, 493,926.98 and 196,774.95 is: 271,546.99
Step by Step Solution
- Step 1: Write the proportion equation
357,921.32 : 493,926.98 = 196,774.95 : x - Step 2: Convert to fraction form
357,921.32/493,926.98 = 196,774.95/x - Step 3: Cross multiply
357,921.32x = 493,926.98 × 196,774.95 - Step 4: Simplify right side
357,921.32x = 97,192,455,809.28 - Step 5: Solve for x
x = 97,192,455,809.28/357,921.32 - Step 6: Final answer
x = 271,546.99
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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.