Finding the Fourth Proportional to 353,460.21, 487,760.47 and 192,315.88
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Solution
The fourth proportional to 353,460.21, 487,760.47 and 192,315.88 is: 265,387.96
Step by Step Solution
- Step 1: Write the proportion equation
353,460.21 : 487,760.47 = 192,315.88 : x - Step 2: Convert to fraction form
353,460.21/487,760.47 = 192,315.88/x - Step 3: Cross multiply
353,460.21x = 487,760.47 × 192,315.88 - Step 4: Simplify right side
353,460.21x = 93,804,084,017.26 - Step 5: Solve for x
x = 93,804,084,017.26/353,460.21 - Step 6: Final answer
x = 265,387.96
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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.