Home / 371,304.27-512,312.04-210,159.29

Finding the Fourth Proportional to 371,304.27, 512,312.04 and 210,159.29

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Solution

The fourth proportional to 371,304.27, 512,312.04 and 210,159.29 is: 289,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,304.27 : 512,312.04 = 210,159.29 : x
  2. Step 2: Convert to fraction form
    371,304.27/512,312.04 = 210,159.29/x
  3. Step 3: Cross multiply
    371,304.27x = 512,312.04 × 210,159.29
  4. Step 4: Simplify right side
    371,304.27x = 107,667,135,865.63
  5. Step 5: Solve for x
    x = 107,667,135,865.63/371,304.27
  6. Step 6: Final answer
    x = 289,970.10

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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.