Finding the Fourth Proportional to 210,787.68, 316,134.96 and 60,995.28
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Solution
The fourth proportional to 210,787.68, 316,134.96 and 60,995.28 is: 91,479.45
Step by Step Solution
- Step 1: Write the proportion equation
210,787.68 : 316,134.96 = 60,995.28 : x - Step 2: Convert to fraction form
210,787.68/316,134.96 = 60,995.28/x - Step 3: Cross multiply
210,787.68x = 316,134.96 × 60,995.28 - Step 4: Simplify right side
210,787.68x = 19,282,740,402.99 - Step 5: Solve for x
x = 19,282,740,402.99/210,787.68 - Step 6: Final answer
x = 91,479.45
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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.