Finding the Fourth Proportional to 250,281.09, 375,483.12 and 72,789.63
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Solution
The fourth proportional to 250,281.09, 375,483.12 and 72,789.63 is: 109,202.33
Step by Step Solution
- Step 1: Write the proportion equation
250,281.09 : 375,483.12 = 72,789.63 : x - Step 2: Convert to fraction form
250,281.09/375,483.12 = 72,789.63/x - Step 3: Cross multiply
250,281.09x = 375,483.12 × 72,789.63 - Step 4: Simplify right side
250,281.09x = 27,331,277,376.05 - Step 5: Solve for x
x = 27,331,277,376.05/250,281.09 - Step 6: Final answer
x = 109,202.33
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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.