Finding the Fourth Proportional to 389,044.97, 536,871.35 and 216,968.16
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Solution
The fourth proportional to 389,044.97, 536,871.35 and 216,968.16 is: 299,410.09
Step by Step Solution
- Step 1: Write the proportion equation
389,044.97 : 536,871.35 = 216,968.16 : x - Step 2: Convert to fraction form
389,044.97/536,871.35 = 216,968.16/x - Step 3: Cross multiply
389,044.97x = 536,871.35 × 216,968.16 - Step 4: Simplify right side
389,044.97x = 116,483,987,881.38 - Step 5: Solve for x
x = 116,483,987,881.38/389,044.97 - Step 6: Final answer
x = 299,410.09
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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.