Home / 282,847.34-390,326.16-210,573.38

Finding the Fourth Proportional to 282,847.34, 390,326.16 and 210,573.38

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Solution

The fourth proportional to 282,847.34, 390,326.16 and 210,573.38 is: 290,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,847.34 : 390,326.16 = 210,573.38 : x
  2. Step 2: Convert to fraction form
    282,847.34/390,326.16 = 210,573.38/x
  3. Step 3: Cross multiply
    282,847.34x = 390,326.16 × 210,573.38
  4. Step 4: Simplify right side
    282,847.34x = 82,192,298,813.62
  5. Step 5: Solve for x
    x = 82,192,298,813.62/282,847.34
  6. Step 6: Final answer
    x = 290,588.91

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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.