Finding the Fourth Proportional to 210,432.27, 315,774.17 and 77,325.99
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Solution
The fourth proportional to 210,432.27, 315,774.17 and 77,325.99 is: 116,035.20
Step by Step Solution
- Step 1: Write the proportion equation
210,432.27 : 315,774.17 = 77,325.99 : x - Step 2: Convert to fraction form
210,432.27/315,774.17 = 77,325.99/x - Step 3: Cross multiply
210,432.27x = 315,774.17 × 77,325.99 - Step 4: Simplify right side
210,432.27x = 24,417,549,925.05 - Step 5: Solve for x
x = 24,417,549,925.05/210,432.27 - Step 6: Final answer
x = 116,035.20
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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.