Finding the Fourth Proportional to 353,585.96, 487,958.99 and 192,451.44
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Solution
The fourth proportional to 353,585.96, 487,958.99 and 192,451.44 is: 265,588.63
Step by Step Solution
- Step 1: Write the proportion equation
353,585.96 : 487,958.99 = 192,451.44 : x - Step 2: Convert to fraction form
353,585.96/487,958.99 = 192,451.44/x - Step 3: Cross multiply
353,585.96x = 487,958.99 × 192,451.44 - Step 4: Simplify right side
353,585.96x = 93,908,411,154.03 - Step 5: Solve for x
x = 93,908,411,154.03/353,585.96 - Step 6: Final answer
x = 265,588.63
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1.5x scale
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.