Finding the Fourth Proportional to 386,242.64, 579,407.70 and 346,555.88
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Solution
The fourth proportional to 386,242.64, 579,407.70 and 346,555.88 is: 519,873.07
Step by Step Solution
- Step 1: Write the proportion equation
386,242.64 : 579,407.70 = 346,555.88 : x - Step 2: Convert to fraction form
386,242.64/579,407.70 = 346,555.88/x - Step 3: Cross multiply
386,242.64x = 579,407.70 × 346,555.88 - Step 4: Simplify right side
386,242.64x = 200,797,145,352.28 - Step 5: Solve for x
x = 200,797,145,352.28/386,242.64 - Step 6: Final answer
x = 519,873.07
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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.