Finding the Fourth Proportional to 319,718.64, 479,532.48 and 130,261.68
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Solution
The fourth proportional to 319,718.64, 479,532.48 and 130,261.68 is: 195,373.99
Step by Step Solution
- Step 1: Write the proportion equation
319,718.64 : 479,532.48 = 130,261.68 : x - Step 2: Convert to fraction form
319,718.64/479,532.48 = 130,261.68/x - Step 3: Cross multiply
319,718.64x = 479,532.48 × 130,261.68 - Step 4: Simplify right side
319,718.64x = 62,464,706,459.37 - Step 5: Solve for x
x = 62,464,706,459.37/319,718.64 - Step 6: Final answer
x = 195,373.99
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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.