Finding the Fourth Proportional to 422,106.93, 582,565.59 and 258,861.02
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Solution
The fourth proportional to 422,106.93, 582,565.59 and 258,861.02 is: 357,263.79
Step by Step Solution
- Step 1: Write the proportion equation
422,106.93 : 582,565.59 = 258,861.02 : x - Step 2: Convert to fraction form
422,106.93/582,565.59 = 258,861.02/x - Step 3: Cross multiply
422,106.93x = 582,565.59 × 258,861.02 - Step 4: Simplify right side
422,106.93x = 150,803,519,931.47 - Step 5: Solve for x
x = 150,803,519,931.47/422,106.93 - Step 6: Final answer
x = 357,263.79
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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.