Finding the Fourth Proportional to 353,993.74, 488,508.82 and 192,848.75
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Solution
The fourth proportional to 353,993.74, 488,508.82 and 192,848.75 is: 266,129.89
Step by Step Solution
- Step 1: Write the proportion equation
353,993.74 : 488,508.82 = 192,848.75 : x - Step 2: Convert to fraction form
353,993.74/488,508.82 = 192,848.75/x - Step 3: Cross multiply
353,993.74x = 488,508.82 × 192,848.75 - Step 4: Simplify right side
353,993.74x = 94,208,315,292.99 - Step 5: Solve for x
x = 94,208,315,292.99/353,993.74 - Step 6: Final answer
x = 266,129.89
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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.