Finding the Fourth Proportional to 268,731.84, 402,848.88 and 118,892.64
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Solution
The fourth proportional to 268,731.84, 402,848.88 and 118,892.64 is: 178,228.85
Step by Step Solution
- Step 1: Write the proportion equation
268,731.84 : 402,848.88 = 118,892.64 : x - Step 2: Convert to fraction form
268,731.84/402,848.88 = 118,892.64/x - Step 3: Cross multiply
268,731.84x = 402,848.88 × 118,892.64 - Step 4: Simplify right side
268,731.84x = 47,895,766,864.24 - Step 5: Solve for x
x = 47,895,766,864.24/268,731.84 - Step 6: Final answer
x = 178,228.85
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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.