Finding the Fourth Proportional to 508,521.12, 762,787.20 and 153,538.08
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Solution
The fourth proportional to 508,521.12, 762,787.20 and 153,538.08 is: 230,308.79
Step by Step Solution
- Step 1: Write the proportion equation
508,521.12 : 762,787.20 = 153,538.08 : x - Step 2: Convert to fraction form
508,521.12/762,787.20 = 153,538.08/x - Step 3: Cross multiply
508,521.12x = 762,787.20 × 153,538.08 - Step 4: Simplify right side
508,521.12x = 117,116,882,136.58 - Step 5: Solve for x
x = 117,116,882,136.58/508,521.12 - Step 6: Final answer
x = 230,308.79
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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.