Finding the Fourth Proportional to 492,342.13, 679,432.14 and 265,987.63
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Solution
The fourth proportional to 492,342.13, 679,432.14 and 265,987.63 is: 367,062.92
Step by Step Solution
- Step 1: Write the proportion equation
492,342.13 : 679,432.14 = 265,987.63 : x - Step 2: Convert to fraction form
492,342.13/679,432.14 = 265,987.63/x - Step 3: Cross multiply
492,342.13x = 679,432.14 × 265,987.63 - Step 4: Simplify right side
492,342.13x = 180,720,539,937.33 - Step 5: Solve for x
x = 180,720,539,937.33/492,342.13 - Step 6: Final answer
x = 367,062.92
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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.