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Finding the Fourth Proportional to 290,284.76, 400,565.58 and 162,935.48

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Solution

The fourth proportional to 290,284.76, 400,565.58 and 162,935.48 is: 224,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,284.76 : 400,565.58 = 162,935.48 : x
  2. Step 2: Convert to fraction form
    290,284.76/400,565.58 = 162,935.48/x
  3. Step 3: Cross multiply
    290,284.76x = 400,565.58 × 162,935.48
  4. Step 4: Simplify right side
    290,284.76x = 65,266,345,048.78
  5. Step 5: Solve for x
    x = 65,266,345,048.78/290,284.76
  6. Step 6: Final answer
    x = 224,835.59

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1.5x scale

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.