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Finding the Fourth Proportional to 290,360.94, 437,246.82 and 253,362.36

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Solution

The fourth proportional to 290,360.94, 437,246.82 and 253,362.36 is: 381,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,360.94 : 437,246.82 = 253,362.36 : x
  2. Step 2: Convert to fraction form
    290,360.94/437,246.82 = 253,362.36/x
  3. Step 3: Cross multiply
    290,360.94x = 437,246.82 × 253,362.36
  4. Step 4: Simplify right side
    290,360.94x = 110,781,886,217.70
  5. Step 5: Solve for x
    x = 110,781,886,217.70/290,360.94
  6. Step 6: Final answer
    x = 381,531.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.