Finding the Fourth Proportional to 351,561.74, 485,154.99 and 190,416.74
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Solution
The fourth proportional to 351,561.74, 485,154.99 and 190,416.74 is: 262,774.99
Step by Step Solution
- Step 1: Write the proportion equation
351,561.74 : 485,154.99 = 190,416.74 : x - Step 2: Convert to fraction form
351,561.74/485,154.99 = 190,416.74/x - Step 3: Cross multiply
351,561.74x = 485,154.99 × 190,416.74 - Step 4: Simplify right side
351,561.74x = 92,381,631,590.53 - Step 5: Solve for x
x = 92,381,631,590.53/351,561.74 - Step 6: Final answer
x = 262,774.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.