Finding the Fourth Proportional to 555,787.99, 766,987.93 and 301,139.18
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Solution
The fourth proportional to 555,787.99, 766,987.93 and 301,139.18 is: 415,572.33
Step by Step Solution
- Step 1: Write the proportion equation
555,787.99 : 766,987.93 = 301,139.18 : x - Step 2: Convert to fraction form
555,787.99/766,987.93 = 301,139.18/x - Step 3: Cross multiply
555,787.99x = 766,987.93 × 301,139.18 - Step 4: Simplify right side
555,787.99x = 230,970,112,475.16 - Step 5: Solve for x
x = 230,970,112,475.16/555,787.99 - Step 6: Final answer
x = 415,572.33
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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.