Home / 282,848.34-390,327.54-210,574.38

Finding the Fourth Proportional to 282,848.34, 390,327.54 and 210,574.38

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Solution

The fourth proportional to 282,848.34, 390,327.54 and 210,574.38 is: 290,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,848.34 : 390,327.54 = 210,574.38 : x
  2. Step 2: Convert to fraction form
    282,848.34/390,327.54 = 210,574.38/x
  3. Step 3: Cross multiply
    282,848.34x = 390,327.54 × 210,574.38
  4. Step 4: Simplify right side
    282,848.34x = 82,192,979,732.43
  5. Step 5: Solve for x
    x = 82,192,979,732.43/282,848.34
  6. Step 6: Final answer
    x = 290,590.29

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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.