Home / 371,822.90-513,114.18-210,708.63

Finding the Fourth Proportional to 371,822.90, 513,114.18 and 210,708.63

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Solution

The fourth proportional to 371,822.90, 513,114.18 and 210,708.63 is: 290,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,822.90 : 513,114.18 = 210,708.63 : x
  2. Step 2: Convert to fraction form
    371,822.90/513,114.18 = 210,708.63/x
  3. Step 3: Cross multiply
    371,822.90x = 513,114.18 × 210,708.63
  4. Step 4: Simplify right side
    371,822.90x = 108,117,585,901.37
  5. Step 5: Solve for x
    x = 108,117,585,901.37/371,822.90
  6. Step 6: Final answer
    x = 290,777.11

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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.